The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade ffmpeg | Feb 20, 2019 | Oct 15, 2015 |
| Ffmpeg | — | Upgrade to FFmpeg version 2.7.4Upgrade to FFmpeg version 2.4.12Upgrade to FFmpeg version 2.8.2Upgrade to FFmpeg version 2.6.6Upgrade to FFmpeg version 2.5.9 | Sep 29, 2017 | Oct 15, 2015 |
| Freebsd | — | Upgrade ffmpeg-011Upgrade chromiumUpgrade ffmpeg25Upgrade ffmpeg1Upgrade libavUpgrade ffmpeg2Upgrade kodiUpgrade avidemux2Upgrade handbrakeUpgrade ffmpeg0Upgrade chromium-npapiUpgrade mencoderUpgrade ffmpeg-develUpgrade mythtvUpgrade chromium-pulseUpgrade ffmpeg24Upgrade mplayerUpgrade avidemuxUpgrade avidemux26Upgrade ffmpegUpgrade ffmpeg23Upgrade plexhometheaterUpgrade ffmpeg26Upgrade mythtv-frontendUpgrade gstreamer-ffmpeg | Dec 10, 2025 | Dec 2, 2015 |
| Gentoo Linux | — | Upgrade www-client/chromium. | Oct 30, 2017 | Oct 15, 2015 |
| Google Chrome | — | Upgrade to the latest version of Google Chrome | Oct 22, 2015 | Oct 13, 2015 |
| Suse | — | Upgrade chromium | Dec 18, 2015 | Oct 15, 2015 |
| Ubuntu | — | Upgrade liboxideqtcore0 | Nov 8, 2024 | Oct 15, 2015 |
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