Buffer Overflow
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
How It Works
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions. This overwrites whatever data or code exists there, corrupting program state and potentially giving attackers control over execution flow.
Stack-based overflows are the most common variant. When a function allocates a fixed-size buffer on the stack and then copies user-controlled input without proper bounds checking, attackers can overflow past the buffer to overwrite the function's return address. When the function completes, instead of returning to legitimate code, execution jumps to attacker-specified memory containing malicious shellcode. Heap-based overflows work differently—they corrupt heap metadata like chunk size fields or free list pointers, leading to arbitrary memory writes when the allocator processes the corrupted structures.
Modern exploitation bypasses defensive mechanisms through techniques like Return-Oriented Programming (ROP), which chains together existing code snippets to avoid non-executable memory protections. Attackers may also use heap spraying to reliably position shellcode at predictable addresses, defeating address randomization.
Impact
- Remote code execution — attacker gains ability to run arbitrary commands with the privileges of the vulnerable process
- Privilege escalation — exploiting kernel or setuid program overflows to gain root/SYSTEM access
- Denial of service — crashes and memory corruption that render systems unusable
- Information disclosure — reading sensitive data from adjacent memory regions that should be inaccessible
- Authentication bypass — overwriting security-critical variables like permission flags or user IDs
Real-World Examples
Fortinet FortiOS suffered a critical buffer overflow (CVE-2025-32756) that allowed unauthenticated remote attackers to execute code as root on firewalls and VPN gateways. Attackers actively exploited this to compromise enterprise network perimeters before patches were available.
The Slammer worm from 2003 exploited a stack overflow in Microsoft SQL Server, spreading to 75,000 hosts in ten minutes by sending a single malformed UDP packet that overwrote the return address with shellcode. No authentication was required.
OpenSSH historically contained a heap overflow in challenge-response authentication that allowed pre-authentication remote root compromise on Unix systems, demonstrating how memory corruption in privileged network services creates maximum impact scenarios.
Mitigation
- Memory-safe languages — Rust, Go, and modern managed languages prevent buffer overflows by design through automatic bounds checking
- Stack canaries — random values placed before return addresses that detect corruption before control transfer
- Address Space Layout Randomization (ASLR) — randomizes memory locations making exploitation less reliable
- Data Execution Prevention (DEP/NX) — marks memory regions as non-executable, preventing direct shellcode execution
- Bounds checking — validate input sizes before copying, use safe functions like
strncpyinstead ofstrcpy - Fuzzing and static analysis — automated testing to discover overflows before deployment
Recent CVEs (36201)
A buffer overflow vulnerability in Modizer before v4.3 allows remote attackers to execute arbitrary code with high privileges by sending specially crafted input that bypasses memory boundary restrictions in the IMAP module. The network-accessible flaw requires minimal user interaction and affects the integrated libopenmpt curl library. A patch is available and should be applied immediately given the critical severity and confirmed attack vector.
Out-of-bounds read in Furnace before version 0.7 allows local attackers to read sensitive memory contents through a crafted FLAC file processed by the modified libsndfile module. This vulnerability could enable information disclosure or potentially facilitate further exploitation of the audio processing application.
Integer overflow in ART's rtengine dcraw.C module before version 1.25.12 allows local attackers with user interaction to achieve high-impact compromise of confidentiality, integrity, and availability. This vulnerability requires local access and user interaction to trigger, making it exploitable primarily through malicious image files or project files opened by victims.
Mod_gnutls, a TLS module for Apache HTTPD, contains a stack-based buffer overflow vulnerability in its client certificate verification code. Versions prior to 0.12.3 and 0.13.0 fail to validate the length of client-provided certificate chains before writing pointers to a fixed-size array, typically causing segmentation faults (denial of service) and theoretically enabling stack corruption. Only configurations explicitly requiring client certificate verification are affected; default configurations using 'GnuTLSClientVerify ignore' are not vulnerable.
Out-of-bounds memory write in Google Chrome's font handling prior to version 146.0.7680.165 enables remote code execution when users visit malicious HTML pages. An unauthenticated attacker can exploit an integer overflow vulnerability to achieve complete system compromise with high integrity and confidentiality impact. Patches are available for Chrome and affected Debian systems.
This vulnerability is an out-of-bounds memory read flaw in the WebAudio API implementation within Google Chrome prior to version 146.0.7680.165. A remote attacker can craft a malicious HTML page to trigger the vulnerability and read sensitive memory contents, leading to information disclosure. Although no CVSS score or EPSS data is provided, the Chromium security severity is rated as High, and the vulnerability affects all users of vulnerable Chrome versions until patching.
Google Chrome's WebGL implementation contains a heap buffer overflow that enables remote attackers to read arbitrary memory by serving a specially crafted HTML page to users prior to version 146.0.7680.165. This network-based vulnerability requires only user interaction and affects Chrome on all platforms, granting attackers access to sensitive data in the browser's memory. A patch is available and should be applied immediately given the high severity and potential for exploitation.
Out of bounds memory read in Google Chrome's CSS parser prior to version 146.0.7680.165 allows remote attackers to access sensitive memory contents through a malicious HTML page. The vulnerability requires user interaction and affects Chrome on multiple platforms including Debian systems, enabling attackers to potentially leak confidential data with high impact on confidentiality and integrity.
Unauthenticated remote attackers can exploit a heap buffer overflow in Google Chrome's WebAudio component (versions prior to 146.0.7680.165) by hosting malicious HTML pages that trigger out-of-bounds memory writes. This vulnerability enables arbitrary code execution with full system compromise potential. A patch is available from Google and Debian.
Remote code execution in llama.cpp prior to commit b7824 is possible through a crafted GGUF file that exploits an integer overflow in the `ggml_nbytes` function, causing heap buffer overflow during tensor processing. An attacker can bypass memory validation by specifying tensor dimensions that cause the size calculation to underflow dramatically, allowing memory corruption and potential code execution. The vulnerability affects Debian and other systems running vulnerable versions of llama.cpp, with no patch currently available.
FreeIPMI versions before 1.16.17 contain exploitable buffer overflow vulnerabilities in the ipmi-oem command's response message handling for three vendor-specific subcommands: Dell's get-last-post-code, Supermicro's extra-firmware-info, and Wistron's read-proprietary-string. An attacker who can intercept or control IPMI server responses could trigger these buffer overflows to achieve arbitrary code execution on systems running vulnerable versions of FreeIPMI. No CVSS score, EPSS data, or public exploitation confirmation is currently available, but the vulnerabilities are documented in Savannah bug reports with clear technical details.
A security vulnerability in An incomplete fix for CVE-2024-47778 (CVSS 5.1) that allows an out-of-bounds read. Remediation should follow standard vulnerability management procedures.
An insufficient input validation vulnerability exists in Citrix NetScaler ADC and NetScaler Gateway when configured as a SAML Identity Provider, allowing attackers to trigger a memory overread condition. The vulnerability affects both the NetScaler ADC and NetScaler Gateway products across multiple versions, and successful exploitation could lead to information disclosure by reading adjacent memory contents. While no CVSS score or EPSS data is currently published, the CWE-125 classification (Out-of-bounds Read) combined with the SAML IDP configuration context suggests moderate to high real-world risk for organizations relying on these devices for identity management.
A specially crafted XCOFF object file can trigger an out-of-bounds memory read in the GNU Binutils BFD library due to improper validation of relocation type values. This affects Red Hat Enterprise Linux versions 6 through 10 and Red Hat OpenShift Container Platform 4, potentially allowing local attackers with user interaction to crash affected tools or disclose sensitive memory contents. While not currently listed in CISA KEV as actively exploited, the vulnerability is tracked across Red Hat, Sourceware, and Bugzilla with upstream references indicating visibility and likely patch development.
Stack-based buffer overflow in Tenda A15 router firmware version 15.13.07.13 allows unauthenticated remote attackers to achieve complete system compromise through a malicious file upload to the UploadCfg function. Public exploit code exists for this vulnerability, and no patch is currently available. The attack requires no user interaction and can be executed over the network with trivial complexity.
Stack-based buffer overflow in Belkin F9K1122 firmware version 1.00.33 allows authenticated remote attackers to achieve complete system compromise through manipulation of the webpage parameter in the formWISP5G function. Public exploit code exists for this vulnerability and the vendor has not provided patches or responded to disclosure attempts. An attacker with network access can execute arbitrary code with full system privileges (confidentiality, integrity, and availability impact).
Buffer overflow in Tenda AC21 firmware version 16.03.08.16 allows authenticated remote attackers to achieve complete system compromise through crafted QoS configuration requests to the SetNetControlList endpoint. Public exploit code exists for this vulnerability, and no patch is currently available. An attacker with valid credentials can execute arbitrary code with full system privileges (confidentiality, integrity, and availability impact).
XnSoft NConvert version 7.230 contains a stack buffer overflow vulnerability triggered by specially crafted TIFF files, allowing an attacker to overwrite stack memory and potentially execute arbitrary code or cause denial of service. The vulnerability affects the image conversion functionality of NConvert, a widely-used command-line image conversion tool. A proof-of-concept exploit has been documented on GitHub (PassMoon/Nconvert_Vul), indicating public awareness and potential active exploitation risk.
Remote code execution in D-Link DIR-513 1.10 through stack-based buffer overflow in the /goform/formEasySetTimezone endpoint allows authenticated attackers to achieve full system compromise. Public exploit code exists for this vulnerability, and affected devices are no longer receiving security updates from the vendor. An attacker with valid credentials can exploit this remotely without user interaction to execute arbitrary commands with system privileges.
Tenda F453 1.0.0.3 contains a stack-based buffer overflow in the Natlimit parameter handler that allows authenticated remote attackers to achieve full system compromise through a malicious page argument. Public exploit code exists for this vulnerability, and no patch is currently available. An attacker with network access and valid credentials can trigger the overflow to execute arbitrary code with high integrity and confidentiality impact.
Stack-based buffer overflow in Tenda F453 firmware version 1.0.0.3 allows remote attackers to achieve complete system compromise through manipulation of the page parameter in the VirtualSer handler. Public exploit code exists for this vulnerability, and no patch is currently available. An attacker with network access can execute arbitrary code with high impact on confidentiality, integrity, and availability.
Tenda F453 version 1.0.0.3 contains a stack-based buffer overflow in the SafeClientFilter parameter handler that allows authenticated remote attackers to execute arbitrary code by manipulating the manufacturer/Go argument. Public exploit code exists for this vulnerability and no patch is currently available, creating significant risk for affected deployments.
FTP Shell Server 6.83 contains a buffer overflow vulnerability in the 'Account name to ban' field that allows local attackers to execute arbitrary code by supplying a crafted string. Rated high severity (CVSS 8.6), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
AnMing MP3 CD Burner 2.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized string. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Lavavo CD Ripper 4.20 contains a structured exception handling (SEH) buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Activation Name field.
Free Float FTP 1.0 contains a buffer overflow vulnerability in the STOR command handler that allows remote attackers to execute arbitrary code by sending a crafted STOR request with an oversized. 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.
Admin Express 1.2.5.485 contains a local structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an alphanumeric encoded payload in the Folder Path field.
MiniFtp contains a buffer overflow vulnerability in the parseconf_load_setting function that allows local attackers to execute arbitrary code by supplying oversized configuration values.
JetAudio jetCast Server 2.0 contains a stack-based buffer overflow vulnerability in the Log Directory configuration field that allows local attackers to overwrite structured exception handling pointers.
Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename.
Fast AVI MPEG Joiner 1.2.0812 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an oversized payload in the License Name field. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
DVDXPlayer Pro 5.5 contains a local buffer overflow vulnerability with structured exception handling that allows local attackers to execute arbitrary code by crafting malicious playlist files.
TuneClone 2.20 contains a structured exception handler (SEH) buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious license code string.
UltraVNC Launcher 1.2.2.4 contains a buffer overflow vulnerability in the Path vncviewer.exe property field that allows local attackers to crash the application by supplying an excessively long. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
UltraVNC Viewer 1.2.2.4 contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized string to the VNC Server input field.
HeidiSQL Portable 10.1.0.5464 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the password field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
NSauditor 3.1.2.0 contains a buffer overflow vulnerability in the SNMP Auditor Community field that allows local attackers to crash the application by supplying an excessively long string. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
DNSS Domain Name Search Software 2.1.8 contains a buffer overflow vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Stack-based buffer overflow in Tenda FH451 1.0.0.9 allows authenticated remote attackers to achieve complete system compromise through crafted input to the WrlclientSet endpoint. Public exploit code exists for this vulnerability, and no patch is currently available. The flaw enables attackers with valid credentials to execute arbitrary code with full system privileges.
Stack overflow in Tenda FH451 firmware version 1.0.0.9 allows authenticated remote attackers to execute arbitrary code through improper input validation in the WrlExtraSet function. Public exploit code exists for this vulnerability, and no patch is currently available. The flaw requires network access and valid credentials but can completely compromise the affected device's confidentiality, integrity, and availability.
ZOC Terminal 7.23.4 contains a buffer overflow vulnerability in the Shell field of Program Settings that allows local attackers to crash the application by supplying an excessively long string. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RarmaRadio 2.72.3 contains a buffer overflow vulnerability in the Server field of the Network settings that allows local attackers to crash the application by supplying an excessively long string. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Stack-based buffer overflow in D-Link DHP-1320 PowerLine AV adapter (firmware 1.00WWB04) allows remote authenticated attackers to execute arbitrary code with full device control via malformed SOAP requests to the redirect_count_down_page function. Publicly available exploit code exists on GitHub (confirmed by VulDB). EPSS score of 0.04% (14th percentile) indicates low observed exploitation in the wild despite POC availability. Product reached end-of-life and receives no security updates from D-Link, making this a permanent risk for deployed devices.
RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Valentina Studio 9.0.5 Linux contains a buffer overflow vulnerability in the Host field of the connection dialog that allows local attackers to crash the application by supplying an oversized input. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
TransMac 12.3 contains a buffer overflow vulnerability in the volume name field that allows local attackers to crash the application by supplying an excessively long string. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Magic Iso Maker 5.5 build 281 contains a buffer overflow vulnerability in the Serial Code registration field that allows local attackers to crash the application by submitting an oversized input. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
jetAudio 8.1.7 contains a buffer overflow vulnerability in the video converter component that allows local attackers to crash the application by supplying an oversized string in the File Naming. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Lyric Maker 2.0.1.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Title field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Selfie Studio 2.17 contains a denial of service vulnerability in the Resize Image function that allows local attackers to crash the application by supplying an excessively long buffer. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
TwistedBrush Pro Studio 24.06 contains a denial of service vulnerability in the Resize Image function that allows local attackers to crash the application by supplying an excessively long buffer. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Tomabo MP4 Converter 3.25.22 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Name field. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Encrypt PDF 2.3 contains a buffer overflow vulnerability that allows local attackers to crash the application by inputting excessively long strings into password fields. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
VeryPDF PCL Converter 2.7 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long password string. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
NetAware 1.20 contains a buffer overflow vulnerability in the User Blocking feature that allows local attackers to crash the application by supplying oversized input. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
NetAware 1.20 contains a buffer overflow vulnerability in the Share Name field that allows local attackers to crash the application by supplying an excessively long string. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Terminal Services Manager 3.2.1 contains a local buffer overflow vulnerability that allows attackers to crash the application by supplying an excessively long string in the computer name field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
GPU shader compiler memory corruption via malicious shader code allows remote code execution when the compiler runs with elevated privileges, affecting multiple platforms through crafted switch statements that trigger out-of-bounds writes. An attacker can exploit this vulnerability by delivering specially-crafted GPU shader code through a web page, potentially gaining system-level control on vulnerable devices. No patch is currently available for this critical vulnerability.
A malformed H.265 PPS (Picture Parameter Set) NAL unit in libde265 prior to version 1.0.17 triggers a segmentation fault in the pic_parameter_set::set_derived_values() function, causing denial of service. Any application using affected versions of libde265 to decode H.265 video streams is vulnerable to crash via specially crafted video files or streams. The vulnerability has been patched in version 1.0.17, and a GitHub security advisory documents the issue.
A remote code execution vulnerability in libde265 (CVSS 5.5). Remediation should follow standard vulnerability management procedures.
Stack-based buffer overflow in GMT versions 6.6.0 and earlier allows local attackers to crash the application or execute arbitrary code by supplying an excessively long dataset identifier to vulnerable functions like gmt_remote_dataset_id. The vulnerability affects command-line processing of geographic data and currently lacks a public patch, leaving all affected GMT installations exposed to local exploitation.
Heap-based buffer overflow in GPAC MP4Box's XML parsing function allows local attackers to corrupt memory and potentially crash the application or achieve code execution by crafting malicious NHML files with specially formatted BitSequence elements. The vulnerability affects systems processing untrusted multimedia files and remains unpatched as of this advisory. Exploitation requires user interaction to open a malicious file.
A DNS response parsing vulnerability exists in the GNU C Library (glibc) versions 2.34 through 2.43 affecting the gethostbyaddr and gethostbyaddr_r functions. When a malicious or compromised DNS server returns a crafted response that violates the DNS specification, the library may incorrectly treat non-answer sections (such as authority or additional sections) as valid answers, leading to buffer overflow and information disclosure. The vulnerability is classified as a read buffer over-read (CWE-125) and does not currently have a published CVSS score, EPSS metric, or confirmed KEV status, though the underlying mechanism suggests moderate real-world risk in environments with untrusted or attacker-controlled DNS infrastructure.
Authenticated users can trigger a heap overflow in MariaDB 11.4 (before 11.4.10) and 11.8 (before 11.8.6) through the JSON_SCHEMA_VALID() function, causing denial of service and potentially remote code execution under specific memory layout conditions. The vulnerability requires valid database credentials and affects server availability and integrity across scope boundaries. No patch is currently available for vulnerable versions.
Stack-based buffer overflow in Tenda A18 Pro MAC filtering configuration allows remote authenticated attackers to achieve full system compromise through manipulation of the deviceList parameter. Public exploit code exists for this vulnerability, and no patch is currently available. The flaw impacts the /goform/setMacFilterCfg endpoint with a CVSS score of 8.8.
Remote code execution in Tenda A18 Pro firmware 02.03.02.28 allows authenticated attackers to achieve full system compromise through stack-based buffer overflow in the QoS configuration function. Public exploit code exists for this vulnerability and no patch is currently available, leaving deployed devices at immediate risk.
Stack-based buffer overflow in Tenda A18 Pro firmware version 02.03.02.28 allows remote attackers with low privileges to achieve complete system compromise through manipulation of the SetIpMacBind function arguments. Public exploit code exists for this vulnerability, and no patch is currently available. An authenticated attacker can execute arbitrary code remotely without user interaction, affecting confidentiality, integrity, and availability of affected devices.
Stack-based buffer overflow in Tenda A18 Pro firmware version 02.03.02.28 enables authenticated remote attackers to achieve code execution with high privileges through the setSchedWifi function. Public exploit code is available for this vulnerability, and no patch has been released, leaving affected devices exposed to active exploitation. An attacker with network access and valid credentials can trigger the overflow to compromise system integrity and confidentiality.
A stack-based buffer overflow vulnerability exists in TP-Link AX53 v1 due to insufficient input sanitization in the device's probe handling logic, allowing unauthenticated remote attackers to cause denial of service through repeated service crashes and potentially achieve remote code execution via heap-spray techniques under specific conditions. The vulnerability affects TP-Link AX53 v1 devices and has a patch available from the vendor, though no confirmed active exploitation or public proof-of-concept has been widely reported at this time.
A stack-based buffer overflow vulnerability exists in QNAP Media Streaming Add-On that allows remote attackers to corrupt memory or crash the affected process. All versions prior to 500.1.1 are vulnerable, and the attack requires no authentication or user interaction. While no CVSS score or EPSS data is currently available, the presence of a confirmed patch and the critical nature of buffer overflow vulnerabilities in media processing software suggests this warrants immediate patching.
Stack-based buffer overflow in Tenda A18 Pro firmware version 02.03.02.28 allows authenticated remote attackers to achieve complete system compromise through the /goform/fast_setting_wifi_set endpoint. Public exploit code is available and actively being weaponized against this unpatched vulnerability. Attackers with network access and valid credentials can execute arbitrary code with full system privileges.
Remote code execution in UTT HiPER 1250GW firmware versions up to 3.2.7 allows authenticated attackers to overflow a buffer in the /goform/setSysAdm function via a malicious GroupName parameter. Public exploit code exists for this vulnerability, and no patch is currently available. An attacker with valid credentials can achieve complete system compromise including code execution, data theft, and denial of service.
Unauthenticated attackers can trigger a buffer overflow in UTT HiPER 1200GW firmware versions up to 2.5.3-170306 via the /goform/websHostFilter endpoint, enabling remote code execution with full system compromise. Public exploit code is available and there is currently no patch, leaving affected devices at immediate risk. The vulnerability requires only network access and valid credentials to exploit, making it readily actionable for threat actors.
Remote code execution in D-Link DIR-513 1.10 via stack-based buffer overflow in the /goform/formEasySetPassword endpoint allows unauthenticated attackers to achieve full system compromise through a malicious curTime parameter. Public exploit code exists for this vulnerability, and affected devices are no longer receiving security updates from the vendor. An attacker with network access can execute arbitrary code with high privileges without user interaction.
PJSIP versions 2.16 and below contain a cascading out-of-bounds heap read vulnerability in the pjsip_multipart_parse() function that allows attackers to read 1-2 bytes of adjacent heap memory when processing SIP messages with multipart bodies or SDP content. The vulnerability affects all applications using PJSIP to process incoming SIP messages, as the flaw does not require authentication or user interaction and can be triggered remotely over the network. While the CVSS score of 6.9 reflects moderate severity with low confidentiality impact, the low attack complexity and remote exploitability make this a practical concern for SIP-based communication systems.
A race condition exists in the Linux kernel's perf subsystem where __perf_event_overflow() can execute with only preemption disabled (rather than IRQs disabled) on software events, creating a window for concurrent execution with perf_event_exit_event() and related cleanup functions. This race condition allows the overflow handler to access kernel structures (such as BPF programs) that are being freed concurrently, potentially leading to use-after-free conditions, memory corruption, or privilege escalation. The vulnerability affects multiple stable Linux kernel versions and has patches available across multiple kernel branches (6.12.77, 6.19.7, 7.0-rc2, and others as indicated by the git commit references).
Heap overflow in PJSIP 2.16 and earlier DNS parser allows unauthenticated remote attackers to achieve code execution with no user interaction required. The vulnerability affects only applications explicitly configured with a built-in nameserver; users relying on OS resolvers or external resolver implementations are unaffected. No patch is currently available, but mitigation is possible by disabling DNS resolution or switching to an external resolver.
Heap corruption in Google Chrome's ANGLE graphics library prior to version 146.0.7680.153 can be triggered remotely through a malicious HTML page, potentially enabling arbitrary code execution on affected systems. The vulnerability stems from an integer overflow condition that requires only user interaction with a crafted webpage, affecting Chrome users across Windows, macOS, and Linux platforms. A patch is available and security professionals should prioritize updating to the latest Chrome version to mitigate this high-severity risk.
Heap buffer overflow in Google Chrome's WebRTC component (versions prior to 146.0.7680.153) enables remote code execution when users visit a malicious webpage, requiring only user interaction to trigger the vulnerability. An attacker can exploit this heap corruption to execute arbitrary code with the privileges of the affected browser process. A patch is available for Chrome and affected Linux distributions including Ubuntu and Debian.
An out of bounds read vulnerability exists in the Blink rendering engine of Google Chrome prior to version 146.0.7680.153, allowing remote attackers to read memory outside intended buffer boundaries via a specially crafted HTML page. This vulnerability (CWE-125) has been classified as High severity by the Chromium security team and enables information disclosure attacks without requiring user interaction beyond visiting a malicious webpage. A vendor patch is available, and the vulnerability affects 9 Debian releases, indicating widespread downstream impact across Linux distributions.
Memory disclosure in Google Chrome's Skia rendering engine prior to version 146.0.7680.153 enables unauthenticated attackers to read out-of-bounds memory contents by tricking users into visiting malicious web pages. Affected users across Chrome, Ubuntu, and Debian distributions face potential information leakage including sensitive data from process memory. A patch is available for immediate deployment.
Heap corruption in Google Chrome's WebAudio component (versions prior to 146.0.7680.153) can be triggered through out-of-bounds memory access when processing malicious HTML pages, enabling remote attackers to achieve arbitrary code execution without user interaction beyond viewing the page. The vulnerability affects Chrome, Ubuntu, and Debian systems, with patches now available across all platforms.
Heap buffer overflow in PDFium within Google Chrome versions prior to 146.0.7680.153 enables remote attackers to corrupt heap memory and potentially achieve code execution by delivering a malicious PDF file. The vulnerability requires user interaction to open the crafted PDF but no authentication or special privileges. Patches are available for affected Google Chrome, Ubuntu, and Debian systems.
Heap corruption in Google Chrome's ANGLE graphics library on Windows versions prior to 146.0.7680.153 can be triggered through integer overflow when processing maliciously crafted HTML pages. An unauthenticated remote attacker can exploit this vulnerability by deceiving users into visiting a malicious website, potentially achieving arbitrary code execution. A patch is available across affected platforms including Google Chrome, Microsoft Edge, and various Linux distributions.
Heap corruption in Google Chrome's V8 engine prior to version 146.0.7680.153 can be triggered through out-of-bounds memory writes when a user visits a malicious webpage. An unauthenticated remote attacker can exploit this vulnerability to achieve arbitrary code execution with high integrity and confidentiality impact. A security patch is available for affected users on Chrome, Ubuntu, and Debian systems.
Heap buffer overflow in Google Chrome's ANGLE graphics library (versions prior to 146.0.7680.153) enables remote attackers to corrupt heap memory and potentially achieve arbitrary code execution through malicious HTML pages requiring only user interaction. The vulnerability affects Chrome on multiple platforms including Ubuntu and Debian systems. A patch is available and should be applied immediately given the high severity and attack accessibility.
Stack buffer overflow in Google Chrome's WebRTC implementation prior to version 146.0.7680.153 enables remote attackers to corrupt stack memory and achieve code execution through maliciously crafted HTML pages. The vulnerability affects Chrome, and potentially downstream products including Chromium-based browsers, requiring only user interaction and no authentication. A patch is available across affected platforms including Ubuntu and Debian.
Sandboxed arbitrary code execution in Google Chrome's WebAudio component (versions prior to 146.0.7680.153) can be triggered remotely through malicious HTML, requiring only user interaction. An attacker can craft a weaponized webpage to break out of the Chrome sandbox and execute arbitrary code on affected systems. This high-severity vulnerability impacts Chrome, Ubuntu, and Debian users, with patches now available.
Google Chrome versions prior to 146.0.7680.153 contain a heap buffer overflow in CSS parsing that enables remote code execution when users visit malicious HTML pages. An unauthenticated attacker can trigger heap memory corruption through a crafted webpage, potentially achieving arbitrary code execution with user privileges. A patch is available and should be applied immediately to all affected systems.