Linux Distros Unpatched Vulnerability : CVE-2026-75146

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FFmpeg before commit 65b0dab contains an out-of-bounds read in the DASH demuxer libavformat/dashdec.c. When a live DASH manifest is refreshed with a startNumber...

Linux Distros Unpatched Vulnerability : CVE-2026-75142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer libavformat/mpegenc.c. When muxing input with more streams than the muxer's...

Linux Distros Unpatched Vulnerability : CVE-2026-75143

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - FFmpeg before commit 1c10bcc contains a heap buffer overflow in the RIST protocol reader libavformat/librist.c. libristread ignored its size argument and copied...

CVE-2026-75146

FFmpeg before commit 65b0dab contains an out-of-bounds read in the DASH demuxer libavformat/dashdec.c. When a live DASH manifest is refreshed with a startNumber that is lower than the previous value, the current sequence number is driven negative. The fragment retrieval function checked only the...

CVE-2026-75142

FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer libavformat/mpegenc.c. When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow...

CVE-2026-75145 FFmpeg Integer Narrowing Conversion OOB Memory Access in AV1 RTP Packetizer

FFmpeg before commit b4c199c contains an incorrect integer narrowing conversion in the AV1 RTP packetizer libavformat/rtpencav1.c. The OBU size is cast to long before comparison against the remaining frame size. On targets where long is 32 bits, including 64-bit Windows, sufficiently large OBU si...

CVE-2026-75145

FFmpeg before commit b4c199c contains an integer narrowing conversion flaw in the AV1 RTP packetizer (libavformat/rtpenc_av1.c). The OBU size is cast to long before being compared against the remaining frame size. On platforms where long is 32 bits (including 64-bit Windows ), sufficiently large ...

CVE-2026-75144 FFmpeg Heap Buffer Overflow in VC-2/Dirac RTP Packetizer

FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer libavformat/rtpencvc2hq.c that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-derived data unit or fragment size into a...

CVE-2026-75144

CVE-2026-75144 is a heap buffer overflow in FFmpeg 's VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c). The packetizer copies an input-derived data unit or fragment size into a fixed-size buffer without an upper bound check, allowing memory corruption when a crafted Dirac data unit is packe...

CVE-2026-75143

FFmpeg (versions 4.4 through 9.0 , built with --enable-librist) contains a heap buffer overflow in the RIST protocol reader (libavformat/librist.c). The function librist_read() ignored its size argument, copying the full received RIST payload into the caller's buffer. When accessed via the async:...

EUVD-2026-62579

FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer libavformat/mpegenc.c. When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow...

CVE-2026-75142 FFmpeg Stack Buffer Overflow in MPEG-PS Muxer via mpegenc.c

FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer libavformat/mpegenc.c. When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow...

PT-2026-78525

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to commit 9d786e4 Description A stack buffer overflow exists in the MPEG-PS muxer within the libavformat/mpegenc.c file. This occurs when the software processes input containing more streams than the muxer's fixed-size...

PT-2026-78526

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to commit 1c10bcc Description A heap buffer overflow exists in the RIST protocol reader within libavformat/librist.c. The function librist read fails to respect its size argument, copying the entire received payload lengt...

JLSEC-2026-652 FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common...

FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC Common Encryption subsample data to libavformat/mov.c...

Astra Linux – Vulnerability in ffmpeg

A denial-of-service vulnerability exists in FFmpeg 4.2 due to a memory leak in the urlopendynbufinternal function in libavformat/aviobuf.c...

Astra Linux – Vulnerability in ffmpeg

A null pointer dereferencing issue was discovered in ‘FFmpeg’ within the decodemainheader function of the libavformat/nutdec.c file. The flaw occurs because the function does not check the return value of avformatnewstream, leading to a null pointer dereferencing error, which can cause the...

CVE-2026-40962

FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC Common Encryption subsample data to libavformat/mov.c...

JLSEC-2025-137 FFmpeg n6.1.1 has a vulnerability in the AVI demuxer of the libavformat library which allows for an...

FFmpeg n6.1.1 has a vulnerability in the AVI demuxer of the libavformat library which allows for an integer overflow, potentially resulting in a denial-of-service DoS condition...

JLSEC-2025-145 FFmpeg n6.1.1 has a vulnerability in the DXA demuxer of the libavformat library allowing for an...

FFmpeg n6.1.1 has a vulnerability in the DXA demuxer of the libavformat library allowing for an integer overflow, potentially resulting in a denial-of-service DoS condition or other undefined behavior...