ffmpeg: FFmpeg: Arbitrary code execution via heap buffer overflow in VobSub subtitle demuxer.

A flaw was found in FFmpeg, a widely used multimedia framework. This vulnerability, a heap buffer overflow in the VobSub subtitle demuxer, allows a remote attacker to corrupt memory. By providing a specially crafted subtitle file, an attacker can trigger unbounded writes, which could lead to...

BIT-DOTNET-SDK-2026-71328 .NET and Visual Studio Remote Code Execution Vulnerability

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow bsc1275863. CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection bsc1274576. CVE-2026-63622...

SUSE-SU-2026:4141-1 Security update for libvirt

This update for libvirt fixes the following issues: - CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow bsc1275863. - CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection bsc1274576. -...

Important: Red Hat Security Advisory: openssl security, bug fix, and enhancement update

An update for openssl is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

openssl: heap buffer overflow in CMS key unwrapping

A flaw was found in OpenSSL. A crafted CMS Cryptographic Message Syntax message can cause an 8-byte out-of-bounds heap write when it is decrypted with CMSdecrypt. This issue occurs because the CMS decryption process incorrectly sizes the key-unwrap output buffer when using the AES-WRAP-PAD unwrap...

CVE-2026-90556

A flaw was found in Freeciv. This vulnerability, a heap buffer overflow in the worklistload function, occurs when processing specially crafted savegame files. An attacker can create a malicious savegame file that, when loaded by a user or server operator, causes memory corruption. This could lead...

CVE-2026-89266

A flaw was found in stbvorbis, an open-source library for Ogg Vorbis decoding. This vulnerability, a heap buffer overflow, occurs in the startdecoder function due to an integer truncation error when allocating memory for codebook multiplicands. A remote attacker could exploit this by crafting a...

CVE-2026-90783

A flaw was found in MKVToolNix. An attacker can exploit this vulnerability by crafting a malicious AVI Audio Video Interleave file. When the mkvmerge tool processes this file, an integer wraparound in the bundled avilib library's ODML OpenDML superindex parser leads to an undersized memory...

Important: Red Hat Security Advisory: openssl security, bug fix, and enhancement update

An update for openssl is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

openssl: heap buffer overflow in CMS key unwrapping

A flaw was found in OpenSSL. A crafted CMS Cryptographic Message Syntax message can cause an 8-byte out-of-bounds heap write when it is decrypted with CMSdecrypt. This issue occurs because the CMS decryption process incorrectly sizes the key-unwrap output buffer when using the AES-WRAP-PAD unwrap...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc

A flaw was found in Apache HTTP Server, specifically within the modxml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service,...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

EUVD-2026-77198

A security vulnerability has been detected in Matthias-Wandel jhead up to 3.3. This impacts the function ProcessGpsInfo of the file gpsinfo.c of the component WebP EXIF Handler. Such manipulation of the argument TAGGPSLAT/TAGGPSLONG leads to heap-based buffer overflow. An attack has to be...

CVE-2026-90682 Matthias-Wandel jhead WebP EXIF gpsinfo.c ProcessGpsInfo heap-based overflow

A security vulnerability has been detected in Matthias-Wandel jhead up to 3.3. This impacts the function ProcessGpsInfo of the file gpsinfo.c of the component WebP EXIF Handler. Such manipulation of the argument TAGGPSLAT/TAGGPSLONG leads to heap-based buffer overflow. An attack has to be...

CVE-2025-64031

libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archivecompressorgzipopen in archivewriteaddfiltergzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar. Exploitation envisions a marginally plausible scenario in which...

CVE-2025-64031

A flaw was found in libarchive, a data archiving library. This vulnerability, a heap-based buffer overflow in the gzip writer, occurs when handling the original-filename field. While exploitation requires a specific, marginally plausible scenario where an untrusted source provides the filename, a...

OSV-2026-1274 Heap-buffer-overflow in md_analyze_inlines

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=560657993 Crash type: Heap-buffer-overflow READ 4 Crash state: mdanalyzeinlines mdprocessnormalblockcontents mdprocessallblocks...

Medium: libreoffice

Issue Overview: LibreOffice can import drawings in the DXF format used by CAD software. A heap buffer overflow existed when importing a DXF polyline. The point count taken from the file was truncated to a 16-bit value when the point buffer was sized, while the full count was used to fill it, so a...

PT-2026-91574

Name of the Vulnerable Software and Affected Versions iOS versions prior to 26.7 iPadOS versions prior to 26.7 iOS versions prior to 27 iPadOS versions prior to 27 macOS Golden Gate versions prior to 27 macOS Sequoia versions prior to 15.8 macOS Tahoe versions prior to 26.7 Description A heap...