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CVE-2026-66039

Medium priority

Some fixes available 6 of 7

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-66038

Medium priority

Some fixes available 6 of 7

FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-66037

Medium priority
Vulnerable

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption vulnerability in the IAMF demuxer that allows an unauthenticated attacker to cause multi-gigabyte memory allocation from a 17-byte input...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Vulnerable Not affected Not affected Not affected Not affected
libav Not in release Not in release Not in release
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CVE-2026-66036

Medium priority

Some fixes available 6 of 7

FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vf_hqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-65706

Medium priority

Some fixes available 5 of 6

FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_swaprect video filter that allows attackers to corrupt heap memory by supplying a crafted NV12 video frame with odd width dimensions. The...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-65705

Medium priority

Some fixes available 5 of 6

FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_floodfill video filter that allows attackers to corrupt heap memory by supplying a dynamically sized video stream with filtergraph...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-65704

Medium priority

Some fixes available 4 of 5

FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demux_audio() function...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Not affected
libav Not in release Not in release Not in release
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CVE-2026-65703

Medium priority

Some fixes available 6 of 7

FFmpeg versions 2.7 through 8.1.2 contain an out-of-bounds write vulnerability in the TDSC video decoder that allows remote attackers to cause heap corruption by supplying a crafted AVI file that changes frame dimensions across...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
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CVE-2026-64835

Medium priority

Some fixes available 3 of 4

FFmpeg versions 4.4 through 8.1.2 contain an out-of-bounds memory access vulnerability in the ADX audio decoder within libavcodec/adxdec.c that allows attackers to trigger both out-of-bounds reads and writes by supplying a crafted...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Not affected Not affected
libav Not in release Not in release Not in release
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CVE-2026-64834

Medium priority

Some fixes available 6 of 7

FFmpeg versions 0.6.3 through 8.1.2 contain an infinite loop vulnerability in the RTP/ASF demuxer within libavformat/rtpdec_asf.c that allows remote attackers to cause denial of service by sending a crafted RTP/ASF stream. The...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Fixed Fixed Fixed Fixed Fixed
libav Not in release Not in release Not in release
Show less packages