Use After Free
Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated.
How It Works
Use-after-free vulnerabilities occur when a program continues to access memory through a pointer after that memory has been deallocated. When memory is freed, it returns to the allocator's pool and may be reallocated for an entirely different purpose. The original pointer becomes "dangling"—it still points to that memory location, but the contents are now undefined or controlled by different code.
Attackers exploit this by orchestrating a three-step process: first, trigger the memory deallocation; second, cause the allocator to reassign that same memory region with attacker-controlled data (often through carefully timed allocations); third, trigger the program to dereference the dangling pointer. Because the memory now contains attacker data instead of the expected object, this can corrupt function pointers, vtables, or other critical structures.
The vulnerability is particularly dangerous in object-oriented code where freed objects contain function pointers or virtual method tables. When the program calls a method on the freed object, it may jump to attacker-controlled addresses. Browser engines are frequent targets because DOM manipulation allows attackers to control object allocation and deallocation timing through JavaScript, while kernel UAFs enable privilege escalation by manipulating file descriptors or process structures.
Impact
- Arbitrary code execution — attacker overwrites function pointers or vtables to redirect program flow to malicious code
- Privilege escalation — in kernel UAFs, gain root/system privileges by corrupting process credentials or security tokens
- Information disclosure — read sensitive data from reallocated memory that wasn't properly cleared
- Sandbox escape — break out of browser or application sandboxes by corrupting security-critical objects
- Denial of service — crash the application through memory corruption, though attackers typically aim for exploitation rather than simple crashes
Real-World Examples
CVE-2021-30551 affected Chrome's V8 JavaScript engine, where improper handling of JavaScript typed arrays created a use-after-free in object property management. Attackers could trigger object deletion while retaining references, then reallocate the memory with controlled data to achieve code execution within the renderer process.
Windows kernel vulnerabilities like CVE-2020-17087 involved use-after-free conditions in the Windows keyboard layout handling code. Attackers exploited race conditions in keyboard layout switching to free kernel objects while retaining references, then reallocated the memory with controlled structures to elevate privileges from user to SYSTEM level.
The WhatsApp vulnerability CVE-2019-11932 demonstrated UAF exploitation in media parsing code, where specially crafted GIF files triggered premature memory deallocation. Subsequent access to the freed buffers allowed remote code execution without user interaction beyond receiving the malicious file.
Mitigation
- Memory-safe languages — use Rust, Go, Swift, or other languages with automatic memory management
- Smart pointers — employ RAII patterns and reference counting (unique_ptr, shared_ptr in C++)
- AddressSanitizer (ASAN) — detect UAF during testing through instrumented builds
- Immediate pointer nullification — set pointers to NULL after free() to cause immediate crashes rather than exploitable conditions
- Garbage collection — languages with GC prevent manual memory management errors
- Control Flow Integrity (CFI) — limits exploit impact by validating function pointer targets
- Heap hardening — allocator metadata protection and delayed reuse policies increase exploitation difficulty
Recent CVEs (6134)
Adobe Bridge version 12.0.2 (and earlier) and 11.1.3 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Use After Free in GitHub repository vim/vim prior to 9.0.0490. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Adobe Photoshop versions 22.5.8 (and earlier) and 23.4.2 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Photoshop versions 22.5.8 (and earlier) and 23.4.2 (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
There exists a use-after-free in io_uring in the Linux kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Memory corruption in graphics due to use-after-free while graphics profiling in Snapdragon Connectivity, Snapdragon Mobile. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Memory corruption in synx driver due to use-after-free condition in the synx driver due to accessing object handles without acquiring lock in Snapdragon Compute, Snapdragon Connectivity, Snapdragon. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Memory corruption in kernel due to use after free issue in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim 2022 R1. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim 2022 R1. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ansys SpaceClaim 2022 R1. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Opening a specially crafted file could cause the affected product to fail to release its memory reference potentially resulting in arbitrary code execution. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A use-after-free(UAF) vulnerability was found in function 'vmw_execbuf_tie_context' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A use after free vulnerability in iva_ctl driver prior to SMR Sep-2022 Release 1 allows attacker to cause memory access fault. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free vulnerability in sdp_mm_set_process_sensitive function of sdpmm driver prior to SMR Sep-2022 Release 1 allows attackers to perform malicious actions. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Use after free vulnerability in mtp_send_signal function of MTP driver prior to SMR Sep-2022 Release 1 allows attackers to perform malicious actions. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free vulnerability was found in systemd. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Use After Free in GitHub repository vim/vim prior to 9.0.0389. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
In teei, there is a possible memory corruption due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Use After Free in GitHub repository vim/vim prior to 9.0.0360. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Memory corruption in graphic driver due to use after free while calling multiple threads application to driver. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
The version of podman as released for Red Hat Enterprise Linux 7 Extras via RHSA-2022:2190 advisory included an incorrect version of podman missing the fix for CVE-2020-8945, which was previously. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An issue was discovered in the Arm Mali GPU Kernel Driver. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A flaw was found in the Linux kernel’s implementation of IO-URING. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A use-after-free flaw was found in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. Rated medium severity (CVSS 4.1). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. Rated medium severity (CVSS 4.7). Public exploit code available.
Use After Free in GitHub repository vim/vim prior to 9.0.0322. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
A use-after-free flaw was found in the Linux kernel’s PLP Rose functionality in the way a user triggers a race condition by calling bind while simultaneously triggering the rose_bind() function. Rated high severity (CVSS 7.0). No vendor patch available.
A use-after-free flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.
A flaw was found in the Linux kernel. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A use-after-free vulnerabilitity was discovered in drivers/net/hamradio/6pack.c of linux that allows an attacker to crash linux kernel by simulating ax25 device using 6pack driver from user space. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw was found in the Linux kernel’s io_uring implementation. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. Public exploit code available.
A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Use After Free in GitHub repository vim/vim prior to 9.0.0286. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
A use-after-free vulnerability was found in the LSI53C895A SCSI Host Bus Adapter emulation of QEMU. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. Public exploit code available.
Use After Free in GitHub repository vim/vim prior to 9.0.0260. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
A flaw was found in the Samba AD LDAP server. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it (which makes it available to be freed), and continue using the page in GPU calls. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A flaw was found in the Linux kernel's implementation of Pressure Stall Information. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Use After Free in GitHub repository vim/vim prior to 9.0.0246. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Use After Free in GitHub repository vim/vim prior to 9.0.0225. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
LibreDWG v0.12.4.4608 & commit f2dea29 was discovered to contain a heap use-after-free via bit_copy_chain. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Use After Free in GitHub repository vim/vim prior to 9.0.0221. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
GPAC mp4box 2.1-DEV-revUNKNOWN-master has a use-after-free vulnerability in function gf_isom_dovi_config_get. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
tifig v0.2.2 was discovered to contain a heap-use-after-free via temInfoEntry(). Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Use After Free in GitHub repository vim/vim prior to 9.0.0213. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Use after free in Extensions in Google Chrome prior to 104.0.5112.79 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via specific UI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Use after free in Sign-In Flow in Google Chrome prior to 104.0.5112.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Input in Google Chrome on Chrome OS prior to 104.0.5112.79 allowed a remote attacker who convinced a user to enage in specific user interactions to potentially exploit heap. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Managed devices API in Google Chrome prior to 104.0.5112.79 allowed a remote attacker who convinced a user to enable a specific Enterprise policy to potentially exploit heap. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Safe Browsing in Google Chrome prior to 104.0.5112.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Omnibox in Google Chrome prior to 104.0.5112.79 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Media, there is a possible code execution due to a use after free. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
In Camera Provider HAL, there is a possible memory corruption due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Adobe FrameMaker versions 2019 Update 8 (and earlier) and 2020 Update 4 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
Adobe Acrobat Reader versions 22.001.20169 (and earlier), 20.005.30362 (and earlier) and 17.012.30249 (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Acrobat Reader versions 22.001.20169 (and earlier), 20.005.30362 (and earlier) and 17.012.30249 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Adobe Illustrator versions 26.3.1 (and earlier) and 25.4.6 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
In lwis_buffer_alloc of lwis_buffer.c, there is a possible arbitrary code execution due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
In exynos5_i2c_irq of (TBD), there is a possible out of bounds write due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
In bdi_put and bdi_unregister of backing-dev.c, there is a possible memory corruption due to a use after free. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Defender Credential Guard Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free flaw was found in the Linux kernel in log_replay in fs/ntfs3/fslog.c in the NTFS journal. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.
A flaw was found in KVM. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
In ConnMan through 1.41, a man-in-the-middle attack against a WISPR HTTP query could be used to trigger a use-after-free in WISPR handling, leading to crashes or code execution. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
SDL v1.2 was discovered to contain a use-after-free via the XFree function at /src/video/x11/SDL_x11yuv.c. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Use after free in WebGPU in Google Chrome prior to 100.0.4896.88 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Use after free in Views in Google Chrome prior to 103.0.5060.134 allowed a remote attacker who convinced a user to engage in specific user interactions to potentially exploit heap corruption via UI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Service Worker API in Google Chrome prior to 103.0.5060.134 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in PDF in Google Chrome prior to 103.0.5060.134 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Guest View in Google Chrome prior to 103.0.5060.134 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Chrome OS Shell in Google Chrome on Chrome OS prior to 103.0.5060.114 allowed a remote attacker who convinced a user to engage in specific user interactions to potentially exploit. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Cast UI and Toolbar in Google Chrome prior to 103.0.5060.134 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via UI. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in WebApp Provider in Google Chrome prior to 103.0.5060.53 allowed a remote attacker who convinced the user to engage in specific user interactions to potentially exploit heap. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type confusion in V8 in Google Chrome prior to 103.0.5060.53 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Interest groups in Google Chrome prior to 103.0.5060.53 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Core in Google Chrome prior to 103.0.5060.53 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in ANGLE in Google Chrome prior to 102.0.5005.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in WebGPU in Google Chrome prior to 102.0.5005.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Codecs in Google Chrome prior to 101.0.4951.41 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in App Service in Google Chrome prior to 102.0.5005.61 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Tablet Mode in Google Chrome on Chrome OS prior to 102.0.5005.61 allowed a remote attacker who convinced a user to engage in specific user interactions to potentially exploit heap. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use after free in Bookmarks in Google Chrome prior to 102.0.5005.61 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.