Use After Free

Heap-use-after-free in ImageMagick's PerlMagick Perl binding crashes the host process via a crafted call to the GetList method. Affected versions span the 6.9.x branch before 6.9.13-55 and the 7.x branch before 7.1.2-30. Impact is limited to denial of service (process crash); no confidentiality or integrity compromise has been demonstrated. No public exploit code or active exploitation is identified at time of analysis.

Local privilege escalation in MediaTek's geniezone Trusted Execution Environment component affects 17 Android chipsets through a use-after-free memory corruption flaw. Exploitation requires an attacker who has already obtained System-level privilege on the device, allowing them to escalate further - potentially to kernel or TEE privilege - with full confidentiality, integrity, and availability impact. No public exploit code or active exploitation has been identified at time of analysis; the September 2026 MediaTek security bulletin addresses this with Patch ID ALPS10900510.

Use-after-free in the MediaTek GPU kernel driver on chipsets MT6991 and MT8799 allows a local attacker with standard user privileges to read freed kernel or GPU memory, potentially exposing sensitive data such as pointers, credentials, or cryptographic material. The same condition may cause a full system crash, consistent with the Denial of Service tag and the 'system crash' language in the description. No public exploit has been identified and SSVC rates exploitation status as none, placing this in a lower real-world priority bracket despite the C:H rating.

Memory corruption via use-after-free in the Android SurfaceFlinger graphics compositor, present on specific MediaTek chipsets (MT6881, MT6993, MT6858, MT8668), enables a local attacker who has already obtained System-level privilege to escalate to higher privileges - potentially root or kernel - without any user interaction. Reported by MediaTek in the September 2026 Security Bulletin under Patch ID ALPS11123860 and Issue ID MSV-8890. No public exploit has been identified at time of analysis, and CISA SSVC rates exploitation status as none and automatable as no, consistent with the high-privilege prerequisite.

Local privilege escalation in the MediaTek Audio Hardware Abstraction Layer (HAL) allows an attacker who has already obtained System-level privilege to further escalate to higher privileges via a use-after-free condition (CWE-416). The vulnerability affects over 65 MediaTek chipset models spanning Android smartphones, tablets, IoT, and connected-device SoCs. No public exploit code or CISA KEV listing exists at time of analysis; however, the broad chipset surface across Android device families makes this relevant for any organization managing large Android fleets.

Privilege escalation via use-after-free in MediaTek's Android Audio Hardware Abstraction Layer (Audio HAL) affects over 65 distinct chipset families spanning mobile, tablet, and IoT SoCs. An attacker who has already obtained System-level privilege on a device running an affected MediaTek chipset can trigger the UAF condition to escalate further - gaining full control over confidentiality, integrity, and availability without any user interaction. No public exploit or active exploitation has been identified at time of analysis; the patch is available through MediaTek's September 2026 product security bulletin.

Use-after-free in PX4 Autopilot through v1.17.0 permits adjacent attackers with shell access to corrupt the autopilot's heap by racing task spawning against object deletion in the temperature calibration subsystem. The root cause is that `TemperatureCalibration::start()` stores the spawned task handle in an instance member variable; if the object is freed before the spawned task begins execution, the task writes into dangling heap memory, corrupting adjacent allocator metadata or unrelated objects. The upstream fix in PR #28487 promotes the task handle to a local variable, eliminating the lifecycle coupling. No public exploit code or CISA KEV listing exists at time of analysis.

Use-after-free in Firefox's DOM Core & HTML component allows network-reachable attackers to achieve limited memory disclosure and DOM integrity impact against users running Firefox below version 155 or Firefox ESR below 153.2. Exploitation requires user interaction - a victim must visit or be redirected to attacker-controlled content - but no authentication or elevated privileges are needed. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis; Mozilla has released patched versions addressing the flaw.

Use-after-free memory corruption in Firefox's DOM Core and HTML component allows a remote attacker to achieve limited confidentiality and integrity impact against users running unpatched Firefox versions by directing them to a crafted webpage. All Firefox releases prior to version 155, ESR 140.15, and ESR 153.2 are affected; Mozilla has shipped fixes across all three release channels. No public exploit code or active exploitation has been identified at time of analysis.

Use-after-free in Firefox's Audio/Video media pipeline allows unauthenticated remote attackers - requiring only user interaction - to read or modify limited browser memory content. Affected releases span Firefox stable prior to 155 and both ESR tracks prior to 140.15 and 153.2, covered by three separate Mozilla security advisories (MFSA2026-82, MFSA2026-84, MFSA2026-85). No public exploit code exists at time of analysis and SSVC exploitation status is 'none,' though the CWE-416 class carries inherent escalation risk beyond the partial impact Mozilla scored.

Use-after-free in Firefox's JavaScript garbage collector (GC) component exposes users to partial memory disclosure and corruption when visiting attacker-controlled web pages. Both the standard release line (Firefox 155) and the extended support release (Firefox ESR 153.2) are patched. No public exploit or active exploitation is confirmed; SSVC exploitation status is none and the vulnerability is absent from CISA KEV.

Use-after-free in Firefox's Audio/Video component exposes users running Firefox prior to version 155 and affected ESR branches to potential heap memory disclosure and limited data modification when processing attacker-controlled media. The vulnerability is network-reachable but requires user interaction - visiting a malicious or compromised page that triggers media playback - and carries a CVSS score of 5.4 reflecting bounded C:L/I:L impact with no availability loss. No public exploit code or active exploitation has been identified at time of analysis; SSVC assessment classifies exploitation status as none and the vulnerability as non-automatable.

Use-after-free and double-free memory corruption in the Silicon Labs SiWx917 WiFi driver for Zephyr RTOS enables an adjacent unauthenticated attacker to corrupt the kernel networking buffer pool and crash the device. The driver's siwx91x_send() incorrectly releases a net_pkt owned by the L2 ethernet stack, causing use-after-free reads and a double-free when the caller accesses and unrefs the same packet; under concurrent network load, the trailing unref corrupts a live packet's reference count drawn from the recycled slab slot. No public exploit has been identified at time of analysis, but the vulnerable code path is compiled in by default and is exercisable via ordinary WiFi traffic that any adjacent-network peer can induce.

Use-after-free in open62541 up to version 1.5.5 allows remote unauthenticated attackers to crash the OPC UA server's History Backend by sending crafted requests targeting the `UA_DataValue_backend_copyRange` function in the in-memory history data plugin. The impact is availability loss only - no confidentiality or integrity compromise. A public proof-of-concept exists via a GitHub issue, and the project closed the disclosure report on procedural grounds rather than issuing a formal security advisory.

Use-after-free in Systerel S2OPC OPC UA stack up to version 1.7.3 allows remote low-privileged attackers to crash the OPC UA server by supplying a crafted EventFilter argument to the subscription monitored-item handler, resulting in a denial of service against industrial communication endpoints. No confirmed active exploitation (not in CISA KEV), though a proof-of-concept is publicly available per the referenced GitLab work item, materially lowering the exploitation barrier. In OT/ICS environments, even a VA:L crash impact can carry significant operational consequences by halting process monitoring or control communications.

Use-after-free (CWE-416) in Microsoft Edge (Chromium-based) allows a remote, unauthenticated attacker to crash the browser through a crafted webpage, resulting in a denial-of-service condition. Critically, the CVE description claims code execution capability, but the CVSS vector (C:N/I:N/A:L, score 4.3) directly contradicts this - a genuine RCE would produce C:H/I:H impact in the 8-9+ range; this discrepancy should be verified against the full MSRC advisory. No active exploitation has been confirmed and no public POC has been reported; a vendor patch is available via the Microsoft Security Response Center.

Use-after-free memory corruption in Nokogiri before 1.18.4 exposes Ruby applications to potential heap corruption and process compromise when processing attacker-supplied XSLT stylesheets. The root cause is Nokogiri's bundled libxslt dependency (prior to v1.1.43), which contains two distinct UAF bugs: CVE-2025-24855 (XPath context node leaked by xsltEvalXPathStringNs) and CVE-2024-55549 (namespace prefix handling corruption). No public exploit code has been identified at time of analysis, and CISA KEV listing is absent; a vendor-released patch (Nokogiri 1.18.4) is available.

Privilege escalation from userspace to kernel level is possible in Google's Fuchsia OS via a Use-After-Free condition in the Zircon kernel pager proxy component, affecting Android F30.1.1. An attacker with low-privileged code execution on the device can exploit the memory corruption flaw to gain kernel-level control, achieving full compromise of confidentiality, integrity, and availability. No public exploit code has been identified at time of analysis, and SSVC assessment indicates no current active exploitation.

Use-after-free in libevent's WebSocket session initialization (ws.c) before version 2.2.2-alpha allows a local low-privileged caller to crash the hosting process by inducing a locking failure. When evhttp_start_ws_ succeeds but bufferevent_enable_locking_ subsequently fails, the cleanup function evws_connection_free calls TAILQ_REMOVE on a list the session was never inserted into, dereferencing an invalid pointer. No public exploit code or CISA KEV listing exists at time of analysis; a vendor-released patch is available in 2.2.2-alpha.

Wireshark's CMS (Cryptographic Message Syntax) protocol dissector crashes due to a use-after-free (CWE-416) condition when processing malformed CMS packet data, affecting versions 4.6.0-4.6.7 and 4.4.0-4.4.18 and resulting in denial of service. The CVSS vector (AV:L/UI:R) confirms exploitation requires a user to open a specially crafted capture file or analyze malicious live traffic, limiting remote risk. No public exploit code or CISA KEV listing is identified at time of analysis, making this a realistic but not critical-priority issue outside environments where analysts regularly open untrusted capture files.

Race condition and use-after-free memory corruption in Mozilla Firefox's Graphics component allows remote unauthenticated attackers to achieve limited confidentiality and integrity impact when a user visits a malicious web page. Affected across the standard release channel and all ESR branches, the vulnerability is fixed in Firefox 154, ESR 115.39, ESR 140.14, and ESR 153.1 per Mozilla's official advisories. No public exploit code has been identified and CISA has not listed this in KEV; the SSVC framework rates exploitation status as none and marks it not automatable.

Unexpected process termination in Apple iOS/iPadOS and macOS Tahoe can be triggered remotely by luring a user to visit maliciously crafted web content, exploiting a use-after-free flaw in the web content rendering engine. The vulnerability affects iOS and iPadOS versions prior to 26.6.1 and macOS Tahoe prior to 26.6.2, with impact limited to availability - crashing the affected browser or WebKit-based process - and no confirmed confidentiality or integrity loss. No public exploit code or CISA KEV listing is identified at time of analysis, though the low-complexity, network-accessible attack surface warrants prompt patching given the broad Apple device install base.

Use-after-free memory corruption in Apple's WebKit web rendering engine crashes the browser process when handling maliciously crafted web content on iOS, iPadOS, and macOS Tahoe. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) confirms network-reachable exploitation limited to availability impact - a process crash - with no confidentiality or integrity compromise. Apple has released fixes across both the legacy iOS 18.x branch and the current iOS 26.x line, indicating broad exposure across the installed base. No active exploitation or public proof-of-concept has been identified at time of analysis.

Use-after-free in HarmonyOS 6.1.0's time and time zone module allows a local low-privileged attacker to crash the affected component, degrading availability. Exploitation is local and requires existing user-level access, limiting the realistic attacker pool to on-device processes or malicious apps. No public exploit code or active exploitation has been identified at time of analysis.

Memory corruption and denial of service in Zephyr RTOS's second-generation delayable work queue (kernel/work.c) arise because the documented safe-cancellation APIs-k_work_cancel_delayable_sync() and k_work_flush_delayable()-fail to block until an in-flight timeout handler completes before returning, allowing callers to free a k_work_delayable object that work_timeout() subsequently dereferences. The race exists exclusively in SMP builds; work_timeout() performs a use-after-free read of the freed object's flags and, if the memory slot has been reused so the bail check passes, a use-after-free write to wp->flags and a submit against a stale dw->queue pointer. No public exploit has been identified and the vulnerability is absent from the CISA KEV catalog; exploitation is probabilistic and gated on kernel-mode code execution with influence over subsystem work-item teardown timing.

IBM Security Verify Access and IBM Verify Identity Access - across both traditional software and container deployments - expose a Use After Free (CWE-416) memory corruption flaw in the Reverse Proxy component that authenticated network attackers can trigger under certain non-default configurations to cause a denial of service. The vulnerability carries a low CVSS base score of 3.1, reflecting high attack complexity and impact limited strictly to availability, with no confidentiality or integrity exposure. No public exploit code or active exploitation has been identified at time of analysis.

Use-After-Free vulnerabilities in the GNU linker (ld) component of binutils crash the linker process when processing crafted object or archive files during LTO-enabled linking on Red Hat Enterprise Linux systems. The flaws exist at three distinct dereference points in add_archive_element() in ld/ldmain.c, where plugin_maybe_claim() frees the BFD object but the caller retains dangling pointers that are subsequently accessed. The attack surface is confined to build-time environments, with the primary realistic threat being a supply chain attack introducing a malicious object file into CI/CD pipelines or developer build systems; no public exploit code or active exploitation has been confirmed at time of analysis.

In the Linux kernel, the following vulnerability has been resolved: hwmon: (gigabyte_waterforce) Stop device IO before calling hid_hw_stop Calling hid_hw_stop() does not stop the device IO. This results in a race condition between hid_input_report() and the point immediately following the execution of hid_device_io_start() within the driver probe function. If the probe operation fails after "io start" has been initiated, this race condition will result in a UAF vulnerability. Fix the problem by calling hid_device_io_stop() before calling hid_hw_stop().

Use-after-free (CWE-416) in OpenSSH's ssh client component affects all releases before version 10.5, triggered when a specific pair of remote-forwarding operations occur concurrently, causing access to freed realloc'd memory. A malicious or compromised SSH server could exploit this race condition against a connecting client to achieve partial information disclosure or limited memory corruption. No public exploit has been identified and CISA SSVC rates exploitation as none with partial technical impact, consistent with the moderate CVSS score of 4.8.

Use-after-free in MongoDB Server's geospatial validation subsystem allows an authenticated user with write privileges to crash the database server through concurrent operations against a collection using a specific validator type. Affected branches are MongoDB 7.0 (prior to 7.0.40), 8.0 (prior to 8.0.29), and 8.3.x (prior to 8.3.8), per EUVD advisory EUVD-2026-56913. No public exploit code exists and SSVC assessment indicates no current exploitation activity; patched releases are available from MongoDB.

Use-After-Free in the AMD Ryzen Master Utility Driver exposes kernel memory to a locally authenticated, high-privileged attacker, with the primary confirmed impact being system availability loss. The vulnerability (CWE-416) resides within the driver component bundled with both the Ryzen Master application and its Monitoring SDK, affecting all versions prior to the patched releases. No public exploit code or active exploitation has been identified at time of analysis, and the CVSS 4.0 score of 5.6 reflects the restricted local, high-privilege attack surface despite the kernel-level nature of the flaw.

Privilege escalation via use-after-free in the Windows Kernel affects Windows 11 (24H2, 25H2, 26H1) and Windows Server 2025, requiring physical device access to exploit. An attacker with physical proximity can trigger kernel memory corruption under high-complexity conditions to gain full control of the affected system, achieving complete confidentiality, integrity, and availability impact. No public exploit code has been identified at time of analysis, and CISA SSVC confirms exploitation status as none.

Use-after-free in the kernel-mode (Ring 0) driver component of Intel PROSet/Wireless WiFi Software for Windows enables a local denial-of-service condition by crashing the affected system. The flaw resides in the most privileged execution ring on x86/x64, meaning a successful trigger causes a kernel panic (BSOD) with no containment boundary below the OS. No active exploitation has been confirmed by CISA KEV, no public exploit code has been identified at time of analysis, and the combination of local-only access with high attack complexity substantially constrains real-world risk.

Use-after-free in Vim's JSON channel parsing (versions 9.2.0511 through 9.2.0843) causes the socketserver process to crash when processing malformed JSON messages that straddle read-buffer boundaries. The stale pointer p in json_decode_item() is invalidated when channel_fill() frees the underlying buffer mid-parse; the error-reporting code then reads freed memory, producing a crash with no code-execution or data-exfiltration potential. No active exploitation is confirmed and no public exploit code has been identified; vendor-released patch v9.2.0844 resolves the flaw.

Use-after-free in Zephyr RTOS kernel queue peek operations (z_impl_k_queue_peek_head and z_impl_k_queue_peek_tail in kernel/queue.c) allows a local low-privileged thread to obtain a dangling pointer to freed heap memory by winning a race against a concurrent k_queue_get call on a shared queue. Successful exploitation - requiring SMP or preemptive concurrency - can leak a stale heap pointer or crash the system when the returned dangling pointer is subsequently consumed as a live buffer in the net_buf, Bluetooth, USB, or networking subsystems. No public exploit exists and no active exploitation is confirmed; CVSS scores this at 3.6 (Low), accurately reflecting the narrow race window and local-only attack surface.

Use-after-free memory corruption in open62541's example client code allows a local low-privileged user to cause memory corruption with potential for denial of service or limited code execution. The vulnerability resides in the UA_Client_getRemoteDataTypes function within the examples/custom_datatype/client_types_custom.c file - notably example/sample code rather than the core library - at commit ca356b088ada7dee824d1b4acd07c1ff07ce242b. A publicly available proof-of-concept exploit exists, though the project closed the issue report citing improper disclosure channel, leaving no official patch or advisory. No confirmed active exploitation (CISA KEV absent), but the CVSS 4.0 E:P modifier reflects the published POC.

Use-after-free in Zephyr RTOS 4.4.0's Bluetooth ATT host layer (subsys/bluetooth/host/att.c) allows an adjacent unauthenticated peer to crash the Bluetooth host or potentially corrupt live memory by disconnecting while an ATT PDU is in-flight. The tx_meta_data_storage[] array retains a dangling att_chan pointer after L2CAP tears down and frees the channel slab slot, and the deferred att_tx_destroy_work_handler running on the system workqueue dereferences that freed pointer. No pairing or special privileges are required - a routine ATT connection is sufficient to reach the vulnerable code path. No public exploit has been identified at time of analysis, and this vulnerability is not listed in the CISA KEV catalog.

Local privilege escalation in the MediaTek display driver allows an attacker who already holds System-level privileges to further escalate via a use-after-free memory corruption condition, potentially achieving kernel-level access. Seventeen MediaTek SoC models used across Android devices are affected, disclosed in MediaTek's August 2026 security bulletin with Patch ID ALPS11019722. No public exploit code exists and EPSS at 0.14% (4th percentile) confirms negligible current exploitation probability; this vulnerability is not in the CISA KEV catalog.

Cross-buffer memory aliasing in msgpack-ruby prior to 1.8.2 allows same-process code to read or corrupt data belonging to a separate MessagePack::Buffer instance via a use-after-free in the rmem slab allocator. MessagePack::Buffer#clear returns a 4 KiB rmem page to the shared pool but leaves rmem_last, rmem_end, and rmem_owner pointing into the freed page; a subsequent write on the cleared buffer and a concurrent second Buffer allocation can claim the same physical page, creating a memory alias that exposes the second buffer's serialized bytes. A PoC is included in the vendor advisory (GHSA-4mrv-5p47-p938); no public exploit identified at time of analysis beyond that PoC, and the CVE is not in CISA KEV.

Use-after-free in Chrome's DataTransfer component on Windows exposes process memory to local attackers who can deliver a crafted HTML page to a victim. The flaw affects all Chrome versions on Windows prior to 151.0.7922.72 and results in high-confidence confidentiality loss with no integrity or availability impact. No public exploit code has been identified and EPSS sits at 0.11% (2nd percentile), consistent with CISA SSVC classifying exploitation as 'none' and technical impact as 'partial' - making this a low operational priority despite the High confidentiality CVSS sub-score.

Sandbox escape in Google Chrome's ANGLE graphics layer on Android enables an attacker who has already compromised the renderer process to break out of the Chrome sandbox via a crafted HTML page. Affected versions are all Chrome for Android releases prior to 151.0.7922.72. This is a second-stage exploit primitive requiring a prior renderer compromise; no public exploit code exists and SSVC reports exploitation as none, keeping real-world risk moderate despite the scope-change nature of the flaw.

Use-after-free in the GPU process on macOS enables sandbox escape in Google Chrome versions prior to 151.0.7922.72, but only when an attacker has already achieved renderer process compromise. This is a second-stage exploit primitive - it extends an existing renderer compromise across the sandbox boundary into the GPU process, potentially allowing arbitrary code execution outside Chrome's sandbox on macOS. No public exploit code has been identified and EPSS sits at 0.21% (11th percentile), indicating low observed exploitation probability; however, sandbox escapes are a critical capability for attackers chaining browser exploit kits.

Use-after-free in the Bluetooth component of Google Chrome on Android prior to 151.0.7922.72 enables a sandbox escape for remote attackers who have already achieved renderer process compromise. Exploitation requires delivering a crafted HTML page to a victim user and successfully triggering a memory corruption condition in the Bluetooth subsystem, allowing code execution outside the renderer sandbox. No public exploit code has been identified at time of analysis, and EPSS at 0.21% (11th percentile) indicates low observed exploitation probability; no CISA KEV listing is present.

Use-after-free in the sqlite3 Ruby gem (published as both sqlite3-ruby and sqlite3) versions 2.1.0 through 2.9.4 lets an aggregate function be invoked through a still-open prepared statement after its Database object has been explicitly closed, producing an invalid memory read and a segmentation fault that crashes the Ruby process. Exploitation requires an in-process API-misuse pattern in the host application itself - local, high-complexity, low-privileged per the assessed CVSS:3.1 vector (AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L) - with no remote or network vector and no attacker-supplied input. No public exploit identified at time of analysis (EPSS 0.11%, CISA SSVC exploitation: none, Automatable: no); the maintainers classify it as Low severity, describing a reliably reproducible crash after garbage collection rather than a proven denial-of-service or code-execution primitive.

A use-after-free vulnerability in the sqlite3-ruby gem allows an attacker to crash the Ruby process by defining a custom SQLite function with the same name but a different number of arguments or text encoding, leading to an invalid memory read and segmentation fault. The issue affects versions prior to 2.9.5 and was assessed as low severity by the maintainers due to the specific code pattern required for exploitation.

Unexpected Safari crash via use-after-free when processing maliciously crafted web content affects Safari 26.6 and earlier on all Apple platforms. This denial-of-service condition requires user interaction to open a malicious webpage; no public exploit identified and EPSS probability is low (0.14%).

Denial of service in SQLite 3.41 due to a use-after-free in the JSON extraction function. A local unauthenticated attacker can trigger a crash by supplying a malicious JSON input, causing the host application to terminate. No active exploitation has been confirmed in the wild, but public exploit proof-of-concept may exist.

Memory corruption via use-after-free in NLnet Labs Unbound 1.25.0-1.25.1 can cause a DNS resolver crash under specific, non-default configurations when the server is under load. The flaw originates from a regression introduced in a fix enabling 'respip' and 'dns64' module interoperability: subqueries receive a shallow copy of the active view name, and if the parent query is evicted (jostled) before the subquery completes, the dangling reference causes memory corruption. No public exploit code exists and no confirmed active exploitation (CISA KEV) has been identified; the vendor explicitly describes crash likelihood as low due to dependence on memory layout and allocator behavior.

Use-after-free in NLnet Labs Unbound 1.15.0 through 1.25.1 crashes the DNS daemon via a dangling pointer to a freed TLS server name string in the DNS-over-TLS forwarding path. A remote attacker with knowledge of the target resolver's configuration can trigger the crash by sustaining query pressure against the configured DoT zone while inducing a transient upstream connection failure, causing denial of service. No public exploit code exists and this vulnerability has not been confirmed as actively exploited, but the network-accessible attack surface (PR:N) makes it relevant to operators running internet-facing recursive resolvers with DoT forwarding.

Heap use-after-free in the SyncTeX parser shipped with TeX Live and embedded by GNOME Evince allows crash or potential arbitrary code execution when a user opens a malformed .synctex or .synctex.gz file. The flaw stems from a NULL parent pointer condition in _synctex_post_process_ref() that bypasses node detachment, causing recursive freeing of live tree nodes and leaving dangling pointers later accessed during document parsing. Exploitation requires local file access and active user interaction (UI:A per CVSS 4.0), no public exploit has been confirmed, but a detailed researcher blog post by the discoverer (Fatih Çelik) is publicly available and the RCE tag suggests demonstrated impact potential.

YAML::Syck before version 1.47 crashes the Perl interpreter when parsing a YAML document that redefines an anchor name, due to a use-after-free and double-free in the bundled libsyck C library. Any caller invoking Load() or LoadFile() on attacker-controlled YAML - a common pattern in Perl web frameworks and data-pipeline tooling - is exposed to a denial-of-service condition that aborts the interpreter process. No public exploit beyond the CPANSec-confirmed 7-byte trigger document exists and no CISA KEV listing is present, but the trivially short trigger makes reliable reproduction straightforward.

Use-after-free in ESET's Linux security product kernel components enables a local high-privileged attacker to trigger a kernel panic, causing a complete system crash and denial of service. Both ESET Endpoint Antivirus for Linux and ESET Server Security for Linux are affected across unspecified versions, per ESET's own customer advisory. No public exploit code has been identified and CISA has not added this to the Known Exploited Vulnerabilities catalog; however, server-deployed AV with kernel-level hooks makes the DoS impact operationally significant in production environments.

Use-after-free in ImageMagick's FreeType integration path allows remote denial of service against image processing pipelines using vulnerable 6.x or 7.x releases. When FreeType initialization fails during an image processing operation, the affected code path neglects to exit cleanly and continues referencing already-freed memory, causing process corruption or crash. No public exploit identified at time of analysis; the CVSS 4.0 score of 6.3 with AC:H and AT:P reflects meaningful preconditions required to trigger the failure path.

Denial of service in BusyBox 1.38.0 arises from a use-after-free in the awk_sub() routine of the AWK applet (editors/awk.c), allowing an attacker who can supply a crafted AWK script to crash the busybox awk process. The flaw is a memory-corruption bug (CWE-416) with availability-only impact and no confidentiality or integrity consequences. There is no public exploit identified at time of analysis, it is not listed in CISA KEV, and its EPSS score is low (0.14%, 4th percentile).

Use-after-free in the Windows Virtual Filtering Platform (VFP) enables authenticated network attackers to crash affected Windows endpoints and servers, resulting in a denial-of-service condition. The vulnerability spans a broad range of supported Windows 10, Windows 11, and Windows Server releases through 2025, making patch prioritization important despite the medium CVSS score. No public exploit code or active exploitation has been identified at time of analysis, and SSVC classifies this as not automatable with partial technical impact.

Privilege escalation via physical attack in the Windows Cloud Files Mini Filter Driver (cldflt.sys) affects all major Windows 10, Windows 11, and Windows Server releases through 2025. The use-after-free memory corruption flaw (CWE-416) in the kernel-mode driver allows an attacker with physical access to the device to escalate privileges to SYSTEM level, achieving full confidentiality, integrity, and availability compromise. No public exploit code has been identified and CISA has not listed this in KEV, but the SSVC assessment notes total technical impact - the physical access requirement is the primary limiting factor, not the vulnerability's severity once that barrier is cleared.

Privilege escalation via use-after-free in the Windows USB Print Driver affects Windows 11 (versions 24H2, 25H2, 26H1) and Windows Server 2025, requiring physical access to exploit. An attacker with hands-on access to a target machine can trigger a memory corruption condition through the USB print subsystem to achieve full local privilege escalation - High confidentiality, integrity, and availability impact per CVSS. No public exploit code has been identified at time of analysis, and this vulnerability is not listed in the CISA KEV catalog.

Use-after-free memory corruption in gawk's do_getline_redir() routine within io.c allows a local attacker to crash the gawk process, causing a denial of service. All gawk versions 5.4.0 and below are affected, as confirmed by CERT-PL and an upstream patch commit. No active exploitation has been identified (not in CISA KEV), and the impact is confined to availability - no confidentiality or integrity effects have been demonstrated.

Use-after-free and double-free in Zephyr RTOS's experimental USB host stack (CONFIG_USB_HOST_STACK, introduced in v4.4.0) allows an attacker with physical USB access to crash the target device or corrupt live kernel slab objects by bouncing a USB device connection to trigger a second removal event after the slab has already been freed. The flaw exists because usbh_device_disconnect() frees the root usb_device slab object without clearing the cached ctx->root pointer, and UHC controller drivers (uhc_max3421e, uhc_mcux_common) emit UHC_EVT_DEV_REMOVED directly from hardware line-state with no debounce or re-entry guard. No public exploit identified at time of analysis, and no CISA KEV listing; the physical-access prerequisite substantially constrains the realistic attacker population.

Use-after-free in ImageMagick before 7.1.2-26 exposes servers that process untrusted images to denial of service and potential code execution via a dangling pointer in the FormatMagickCaption method when memory allocation fails. The CVSS 4.0 vector scores this at 6.3, reflecting high attack complexity (AC:H) and specific prerequisite conditions (AT:P), though intelligence tags flag RCE - a claim the vendor CVSS impact metrics do not fully corroborate, as only low availability impact is scored. No public exploit has been identified at time of analysis, and the vulnerability is not listed in CISA KEV.

Use-after-free in ImageMagick's PDB decoder (all versions before 7.1.2-15) allows remote attackers supplying crafted Palm Database image files to crash the application or write a single null byte to freed heap memory. The flaw manifests specifically when memory allocation fails during PDB decoding, leaving a stale pointer that is subsequently dereferenced rather than nulled or re-validated. No public exploit or active exploitation has been identified at time of analysis; the CVSS 4.0 score of 6.3 reflects constrained exploitation conditions (AC:H, AT:P) and impact limited strictly to availability.

Local privilege escalation and memory corruption in Qualcomm Snapdragon chipset drivers allows a malicious application to trigger a use-after-free by issuing multiple IOCTL calls that reference the same buffer file descriptor. The flaw affects a broad range of Snapdragon mobile, compute, connectivity (FastConnect/WCN/WCD/WSA) and XR platforms, and successful exploitation can corrupt kernel memory to gain high impact on confidentiality, integrity and availability. There is no public exploit identified at time of analysis, EPSS risk is very low (0.09%), and CISA SSVC rates exploitation as none.

Use-after-free memory corruption in Qualcomm Snapdragon platform driver code allows a local low-privileged process to trigger access of already-freed memory by issuing multiple IOCTL calls that reference the same buffer file descriptor. A successful attacker gains full compromise of confidentiality, integrity, and availability on the affected device, which in practice can mean kernel-level code execution or privilege escalation from an unprivileged app. There is no public exploit identified at time of analysis, EPSS is negligible (0.09%, 1st percentile), and CISA SSVC records no known exploitation.

Local privilege escalation via memory corruption affects a broad range of Qualcomm Snapdragon chipsets, where a use-after-free condition in the device driver's input/output control (ioctl) path for mapping and unmapping persistent memory buffers can be triggered by an authenticated local application. Improper synchronization on these operations lets a low-privileged process corrupt kernel memory to gain full confidentiality, integrity, and availability impact. There is no public exploit identified at time of analysis, and EPSS is very low (0.09%), consistent with CISA SSVC scoring exploitation as none.

Use-after-free in radare2's r_core_bin_load function (libr/core/cfile.c) affects all versions up to and including 6.1.6, allowing a local low-privileged user to trigger memory corruption resulting in a denial of service. A public proof-of-concept exists (GitHub issue #26049), confirmed by the CVSS 4.0 E:P exploitability modifier, though the vulnerability is not listed in CISA KEV and no confirmed widespread active exploitation is known. The CVSS 4.0 score of 4.8 (Medium) reflects the strictly local attack vector, limited availability impact, and absence of confidentiality or integrity compromise.

Use-after-free in radare2's regprofile handler crashes the application for local users on versions up to 6.1.6. The vulnerable function r_core_seek_arch_bits in libr/core/disasm.c mismanages memory during architecture bit-seeking operations, allowing a local attacker with standard user privileges to trigger application termination. No confidentiality or integrity impact is present; this is a denial-of-service class finding with a publicly available proof-of-concept and no confirmed active exploitation in the wild.

Use-after-free in OpenVPN's tls_wrap_reneg() function allows an authenticated remote client to crash the OpenVPN server by sending a crafted sequence of dynamic tls-crypt control-channel packets, resulting in denial of service for all connected VPN users. Affected versions prior to 2.7.5 and 2.6.21 are patched as of July 1, 2026. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis, but the vulnerability was independently discovered by multiple research teams, elevating credibility of the finding.

Use-after-free in ImageMagick's 8BIM profile parser crashes the process when a specially crafted image is identified, affecting all releases prior to 6.9.13-51 (legacy branch) and 7.1.2-26 (current branch). The vulnerability is triggered by a specific format string embedded in the 8BIM metadata profile, causing memory corruption that results in a denial-of-service condition. No public exploit or CISA KEV listing has been identified at time of analysis; EPSS data was not provided in the intelligence feed.

Use-after-free in Chrome's SSL handling on ChromeOS exposes process memory contents to remote attackers who can serve a crafted HTML page. Only ChromeOS builds of Chrome prior to 150.0.7871.47 are affected - this is not a cross-platform flaw. SSVC rates exploitation status as none and technical impact as partial, and Chromium's own severity classification is Low, making this a routine patch-cycle priority rather than an emergency response item despite the CVSS 6.5 score.

Use-after-free in Chrome's Chromecast component exposes process memory to attackers on the same local network segment via a malicious peripheral, affecting all Chrome versions prior to 150.0.7871.47. The vulnerability carries a CVSS 3.1 score of 6.5 with high confidentiality impact (C:H), meaning successful exploitation leaks potentially sensitive data from the Chrome process heap. No public exploit or CISA KEV listing is identified at time of analysis, and Google has released a patch in the stable channel.

Use-after-free in Google Chrome's Bluetooth subsystem (all versions prior to 150.0.7871.47) enables an unauthenticated attacker within Bluetooth radio range to leak sensitive data from Chrome's process memory by operating a malicious Bluetooth peripheral. The CVSS vector (AV:A/PR:N/UI:N/C:H) confirms no attacker-side authentication is required and impact is confidentiality-only, with no integrity or availability loss. No public exploit code has been identified at time of analysis and CISA has not listed this in KEV; the Chromium security team rated this Medium severity, consistent with the bounded adjacency-only attack vector.

Use-after-free in Zephyr's asynchronous SNTP client (sntp_close_async, v4.2.0-v4.4.0) can be triggered remotely by any network peer or off-path attacker capable of dropping or delaying UDP NTP responses, exploiting a race between the system workqueue thread and the socket-service poll thread. The most probable outcome is a crash of the networking subsystem thread (denial of service); where the freed net_context pool slot is rapidly reallocated, memory corruption is possible. The vulnerability is on the normal SNTP timeout path, making it reliably and periodically triggerable when NET_CONFIG_SNTP_INIT_RESYNC is enabled. No public exploit code and no CISA KEV listing have been identified at time of analysis.

Heap-use-after-free in openGauss 7.0.0-RC1 and RC2 allows a database user with SQL execution privileges to crash the backend process by crafting a to_timestamp() call with NLS parameters that triggers the seqscan+sort execution path. The nls_fmt_str pointer is stored in session context but allocated within SeqScan's expression memory context, which is freed upon scan completion; subsequent access by timestamp_out() via CheckNlsFormat() dereferences the dangling pointer. The practical impact is denial of service through backend process termination. No public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.

Use-after-free memory corruption in Safari's web content rendering engine causes a denial-of-service crash on Apple platforms running Safari, iOS/iPadOS, and macOS Tahoe prior to version 26.5.2. An attacker who can lure a victim to visit a maliciously crafted webpage can reliably crash the Safari browser, with no code execution or data exfiltration indicated by the available CVSS impact scores (C:N/I:N). No public exploit code and no CISA KEV listing have been identified at time of analysis, placing this in the category of a significant but non-critical browser crash vulnerability.

Use-after-free memory corruption in Safari's web content rendering engine causes an unexpected application crash when processing maliciously crafted web content. Affected are Apple Safari, iOS and iPadOS, and macOS Tahoe - all prior to version 26.5.2. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) confirms that a remote unauthenticated attacker can trigger this condition simply by luring a user to visit a hostile page, with impact limited to availability (process crash/DoS). No public exploit code identified and not listed in CISA KEV at time of analysis; vendor-released patches are available.

Use-after-free memory corruption in Apple's WebKit browser engine causes an unexpected process crash when rendering maliciously crafted web content. Safari (all versions prior to 26.5.2), iOS and iPadOS (all versions prior to 26.5.2), and macOS Tahoe (all versions prior to 26.5.2) are affected across Apple's full consumer device ecosystem. No public exploit or CISA KEV listing exists at time of analysis; impact is confirmed as denial-of-service (process crash) only, with no confidentiality or integrity compromise.

Use-after-free memory corruption in Safari's web content processing causes an unexpected application crash across Apple platforms. Affected are Safari, iOS, iPadOS, and macOS Tahoe prior to version 26.5.2; exploitation requires only that a user visits or loads maliciously crafted web content, making drive-by delivery via a malicious webpage the primary vector. Impact is confined to availability - a forced Safari crash (denial of service) - with no confirmed confidentiality or integrity consequences. No public exploit code or active exploitation has been identified at time of analysis.

Use-after-free in Safari's web content processing engine causes denial of service across Apple platforms, affecting Safari, iOS/iPadOS, and macOS prior to the 26.5.2 release line. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) confirms remote, unauthenticated triggering requiring only that a user visit attacker-controlled web content, with impact limited to availability - specifically an unexpected Safari crash. No active exploitation has been confirmed (not listed in CISA KEV), and no public exploit code has been identified at time of analysis.

Use-after-free memory corruption in Apple Safari (and the broader iOS/iPadOS/macOS Tahoe platform) allows a malicious web extension to trigger an unexpected process crash, resulting in a denial-of-service condition. Affected versions span all Safari, iOS/iPadOS, and macOS Tahoe releases prior to 26.5.2, with Apple-confirmed fixes available across all three platforms. No active exploitation is confirmed (not listed in CISA KEV) and no public exploit code has been identified at time of analysis; the high attack complexity and requirement for a pre-installed malicious extension meaningfully constrain real-world risk.

Use-after-free memory corruption in Apple's WebKit engine causes unexpected process crashes when processing maliciously crafted web content. Affected platforms include Safari, iOS 26, iPadOS 26, and macOS Tahoe - all versions prior to 26.5.2. An unauthenticated remote attacker can trigger a denial-of-service condition by luring a user to a malicious web page; no public exploit has been identified at time of analysis, and this vulnerability is not listed in the CISA KEV catalog.

Use-after-free memory corruption in WebKit's web content processing causes unexpected process crashes across Safari, iOS, and iPadOS on all versions prior to 26.5.2. An unauthenticated remote attacker who can lure a user to visit a maliciously crafted web page can trigger this condition, resulting in a denial-of-service via browser process termination. No public exploit code has been identified at time of analysis and the vulnerability is absent from CISA KEV, though the use-after-free class in WebKit has historically been chained with other primitives to escalate impact.

Use-after-free memory corruption in Safari's web content processing engine causes an unexpected process crash when rendering maliciously crafted web pages. Affected products include Safari, iOS and iPadOS, and macOS Tahoe, all prior to version 26.5.2. No public exploit code has been identified at time of analysis and this vulnerability is not listed in CISA KEV, though the low attack complexity and no-privileges-required vector make user-targeted delivery straightforward.

Use-after-free memory corruption in Apple's WebKit rendering engine causes unexpected process crashes when processing maliciously crafted web content across Safari, iOS/iPadOS, and macOS Tahoe. All three platform variants prior to the 26.5.2 release train are affected, covering a substantial portion of Apple's consumer and enterprise device fleet. An unauthenticated remote attacker can trigger a denial-of-service condition by enticing a victim to visit a specially crafted webpage; no public exploit code or active exploitation (CISA KEV) has been identified at time of analysis.

Heap use-after-free read in libblkid (util-linux) enables unauthenticated local attackers to crash udisks or leak root-process heap data by presenting a crafted block device image during nested partition probing. BSD, Minix, Solaris x86, and UnixWare partition table parsers cache raw pointers into a dynamically allocated partition array; when subsequent partition additions trigger array reallocation, those pointers become stale and dereference freed memory. Because udev and udisks invoke libblkid automatically as root on block-device hot-plug events, USB insertion alone is sufficient to trigger the flaw without any user interaction or authentication. No public exploit identified at time of analysis.

Use-after-free in Envoy's HTTP OAuth2 filter (envoy.filters.http.oauth2) across versions 1.37.0-1.37.4 and 1.38.0-1.38.2 enables unauthenticated remote attackers to crash Envoy worker threads by racing a connection teardown against an in-flight async token exchange. When a downstream client disconnects while the filter is awaiting an async OAuth2 token response, the late AsyncClient callback invokes StreamDecoderFilterCallbacks on an already-freed object, producing undefined behavior and worker crashes. The reporter explicitly disclaims RCE - confirmed impact is availability loss (DoS); allocator-dependent memory corruption effects beyond crash are theoretically possible but not demonstrated. No public exploit or CISA KEV listing identified at time of analysis.

Use-After-Free crash in Envoy's ext_authz HTTP filter allows remote unauthenticated attackers to trigger a segmentation fault and process crash by rapidly establishing and tearing down downstream connections when per-route authorization overrides are configured. Affected are Envoy versions 1.36.0-1.36.8, 1.37.0-1.37.4, and 1.38.0-1.38.2. No public exploit code has been identified and this vulnerability is not listed in the CISA KEV catalog, though the race condition exploitability is constrained by requiring specific ext_authz per-route override configuration.

Envoy proxy's External Processing (ext_proc) filter crashes with a use-after-free when an ext_proc gRPC server sends a single batched gRPC message containing multiple specially crafted ProcessingResponse objects. Affected versions span 1.34.0 through pre-fix releases across four maintained branches; fixed releases are 1.35.13, 1.36.9, 1.37.5, and 1.38.3. With CVSS PR:L, exploitation requires control of or compromise of the ext_proc gRPC server endpoint, limiting the realistic attacker population but making this a high-priority patch for any deployment running ext_proc. No public exploit code and no CISA KEV listing exist at time of analysis.

Use-after-free memory corruption in Google Chrome's Payments component on Android (prior to 149.0.7827.201) enables a local attacker with physical access to the device to trigger heap corruption, yielding high impact across confidentiality, integrity, and availability. The physical-access requirement (CVSS AV:P) substantially constrains the exploitable population to scenarios such as unattended or stolen devices. No public exploit identified at time of analysis, and no CISA KEV listing exists, indicating this has not been observed in active exploitation campaigns.

Use-after-free in wolfSSL's TLS 1.3 PQC hybrid KeyShare processing exposes clients built with post-quantum hybrid support to a crash or memory corruption when connecting to a malicious server. This is a bypass of the incomplete fix for CVE-2026-5460 shipped in 5.9.1 - the pointer alias between keyShareEntry->key and ecc_kse->key in TLSX_KeyShare_ProcessPqcHybridClient is not re-synchronized after the inner ECC processing function frees its copy, leaving a dangling pointer that TLSX_KeyShare_FreeAll later passes to wc_ecc_free and XFREE. No public exploit or CISA KEV listing exists; the CVSS 4.0 score of 2.3 reflects limited real-world impact due to high attack complexity and non-default build requirements.

Use-after-free in Nokogiri's CRuby XInclude processing (versions prior to 1.19.4) can leave Ruby wrapper objects pointing at freed libxml2 memory after `#do_xinclude` is called on a document whose nodes have already been exposed to Ruby. An application that triggers this condition may experience invalid memory reads or writes, potentially resulting in a crash or memory disclosure. No public exploit has been identified at time of analysis, and the CVSS 4.0 score of 2.2 reflects the high attack complexity driven by an unusual, non-default API usage pattern required to reach the vulnerable code path.