NULL Pointer Dereference Affecting ffmpeg package, versions <7:3.1.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIAN13-FFMPEG-5679198
- published3 Jan 2018
- disclosed3 Jan 2018
Introduced: 3 Jan 2018
CVE-2017-1000460 (opens in a new tab)How to fix?
Upgrade Debian:13 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:13 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