The smka_decode_frame function in libavcodec/smacker.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not verify that the data size is consistent with the number of channels, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Smacker data.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade libavUpgrade ffmpeg | Nov 1, 2017 | Nov 26, 2015 |
| Ffmpeg | — | Upgrade to FFmpeg version 2.7.3Upgrade to FFmpeg version 2.4.12Upgrade to FFmpeg version 2.5.9Upgrade to FFmpeg version 2.8.3Upgrade to FFmpeg version 2.6.5 | Sep 29, 2017 | Nov 26, 2015 |
| Freebsd | — | Upgrade ffmpeg23Upgrade ffmpeg25Upgrade kodiUpgrade ffmpeg-develUpgrade ffmpeg-011Upgrade ffmpeg26Upgrade avidemuxUpgrade gstreamer-ffmpegUpgrade ffmpeg0Upgrade avidemux26Upgrade ffmpeg1Upgrade mythtvUpgrade mencoderUpgrade mplayerUpgrade libavUpgrade ffmpegUpgrade ffmpeg2Upgrade handbrakeUpgrade plexhometheaterUpgrade mythtv-frontendUpgrade ffmpeg24Upgrade avidemux2 | Dec 10, 2025 | Dec 2, 2015 |
| Suse | — | Upgrade libavdevice57Upgrade ffmpegUpgrade libavresample-develUpgrade libavcodec-develUpgrade libavformat-develUpgrade libswresample-develUpgrade libavformat57Upgrade libswresample2Upgrade libswscale4Upgrade libswscale-develUpgrade libavutil-develUpgrade libavcodec57Upgrade libpostproc54Upgrade libpostproc-develUpgrade libavutil55Upgrade libavresample3Upgrade libavfilter6 | Jan 4, 2016 | Nov 26, 2015 |
| Ubuntu | — | Upgrade libavcodec53Upgrade libavformat53 | Apr 4, 2016 | Nov 26, 2015 |
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