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CVE-2026-70632

Medium priority
Needs evaluation

FFmpeg versions from 4.4 up to, but not including, 9.0 contain an out-of-bounds heap write vulnerability in the native GoPro CineForm HD (CFHD) decoder that allows remote attackers to corrupt heap memory by supplying a crafted AVI...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-70631

Medium priority
Needs evaluation

FFmpeg versions from 0.5 up to, but not including, 9.0 contain an uninitialized heap memory disclosure vulnerability in the native TIFF decoder in libavcodec/tiff.c. An attacker who can cause FFmpeg to decode a crafted TIFF file...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-70630

Medium priority
Needs evaluation

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder (libavcodec/screenpresso.c) that allows attackers to recover sensitive memory...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-70629

Medium priority
Needs evaluation

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder (libavcodec/rscc.c) that allows attackers to disclose heap memory contents by supplying a...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-70628

Medium priority
Needs evaluation

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/dvbsub_parser.c that allows attackers to trigger a heap buffer overflow by supplying a...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-71212

Medium priority
Needs evaluation

xidown (a yt-dlp/ffmpeg GUI wrapper) builds its yt-dlp command-line invocation (xidown/core/scanner.py and downloader.py) by appending the user-provided or scanned URL as a bare trailing positional argument, with no '--'...

4 affected packages

ffmpeg, libav, its, yt-dlp

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
its Not in release Not in release Not in release Needs evaluation Needs evaluation
yt-dlp Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-66041

Medium priority
Needs evaluation

FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-66040

Medium priority
Needs evaluation

FFmpeg through 8.1.2, fixed in commit b506faf, contains a heap out-of-bounds write vulnerability in the native PNG and APNG encoders that allows remote attackers to corrupt heap memory by supplying a crafted PNG image with a...

2 affected packages

ffmpeg, libav

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
ffmpeg Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-66039

Medium priority
Needs evaluation

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 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
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CVE-2026-66038

Medium priority
Needs evaluation

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 Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
libav Not in release Not in release Not in release
Show less packages