NULL Pointer Dereference Affecting ffmpeg package, versions <7:3.1.1-1
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Start learning- Snyk IDSNYK-DEBIAN10-FFMPEG-416604
- published3 Jan 2018
- disclosed3 Jan 2018
Introduced: 3 Jan 2018
CVE-2017-1000460 (opens in a new tab)How to fix?
Upgrade Debian:10 ffmpeg to version 7:3.1.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Debian.
See How to fix? for Debian:10 relevant fixed versions and status.
In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.
References
- https://security-tracker.debian.org/tracker/CVE-2017-1000460
- https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html
- https://bugzilla.libav.org/show_bug.cgi?id=952
- https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c
- https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html