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The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does not enforce uniqueness of the IHDR (aka image header) chunk in a PNG image, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via a crafted image with two or more of these chunks.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade ffmpeg | Feb 20, 2019 | Sep 5, 2015 |
| Ffmpeg | — | Upgrade to FFmpeg version 2.5.8Upgrade to FFmpeg version 2.4.11Upgrade to FFmpeg version 2.7.2Upgrade to FFmpeg version 2.8Upgrade to FFmpeg version 2.6.4 | Sep 29, 2017 | Sep 6, 2015 |
| Freebsd | — | Upgrade gstreamer1-libavUpgrade handbrakeUpgrade ffmpegUpgrade mythtv-frontendUpgrade mythtvUpgrade libavUpgrade mencoderUpgrade kodiUpgrade ffmpeg2Upgrade ffmpeg1Upgrade ffmpeg0Upgrade avidemux2Upgrade ffmpeg23Upgrade ffmpeg-develUpgrade ffmpeg26Upgrade ffmpeg-011Upgrade mplayerUpgrade ffmpeg24Upgrade plexhometheaterUpgrade avidemuxUpgrade avidemux26Upgrade gstreamer-ffmpegUpgrade ffmpeg25 | Dec 10, 2025 | Sep 20, 2015 |
| Ubuntu | — | Upgrade libavcodec53Upgrade libavformat53 | Apr 4, 2016 | Sep 5, 2015 |
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