CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions 0.5 up to (but not including) 9.0 are affected by a signed integer overflow in the DVB subtitle parser (libavcodec/dvbsub_parser.c) that can trigger a heap buffer overflow when processing a crafted WTV file. The overflow causes the bounds-check guard to wrap to INT_MIN, bypassing ...

CVE-2026-70628 FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

CVE-2026-70628 FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsubparser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overflow causes the bounds-check guard...

PT-2026-68784

Name of the Vulnerable Software and Affected Versions FFmpeg versions 0.5 through 8.x Description A signed integer overflow exists in the DVB subtitle parser within libavcodec/dvbsub parser.c. An attacker can trigger a heap buffer overflow by providing a specially crafted WTV file. This occurs wh...

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...

CVE-2026-66041

A flaw was found in FFmpeg's vfquirc filter, which handles subtitle processing. A remote attacker can exploit this heap out-of-bounds write vulnerability by providing a specially crafted PGS/SUP subtitle file. This file, with mismatched frame dimensions, can cause the software to write data beyon...

SUSE CVE-2026-64830

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...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write in the vfquirc filter. An attacker can corrupt heap memory and potentially execute arbitrary code by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions, where the second presentation has large...

DEBIAN-CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

UBUNTU-CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041 FFmpeg 7.0 - 8.1.2 Heap Out-of-Bounds Write via vf_quirc Filter

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041 FFmpeg 7.0 - 8.1.2 Heap Out-of-Bounds Write via vf_quirc Filter

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

CVE-2026-66041: Out-of-bounds Write

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vfquirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose seco...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow through the VobSub subtitle demuxer in libavformat/mpeg.c’s vobsubreadheader and ffsubtitlesqueueinsert. An attacker can corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file that...