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...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : FFmpeg vulnerabilities (USN-8716-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8716-1 advisory. It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An...

USN-8716-2 ffmpeg vulnerabilities

USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides the corresponding fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue t...

USN-8716-2: FFmpeg vulnerabilities

USN-8716-1 fixed several vulnerabilities in FFmpeg. This update provides the corresponding fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue t...

SUSE SLED15: ffmpeg / libavcodec-devel / libavcodec57 / libavdevice57 / etc (SUSE-SU-2026:3552-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3552-1 advisory. - CVE-2026-64830: Heap Buffer Overflow via VobSub Subtitle Demuxer bsc1272752. - CVE-2026-66039: MACE6 Audio...

OPENSUSE-SU-2026:21522-1 Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues: Changes in ffmpeg-4: - CVE-2026-64835: Out-of-Bounds Memory Access in ADX Audio Decoder bsc1272758 - CVE-2026-64832: Double-Free in NVDEC Hardware Decoder via nvdec.c bsc1272754 - CVE-2026-64830: Heap Buffer Overflow via VobSub Subtitle Demuxer...

EUVD-2026-47747

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...

CVE-2026-64830: Heap-based Buffer Overflow

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...