Out-of-Bounds The advisory has been revoked - it doesn't affect any version of package ffmpeg (opens in a new tab)
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.
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Test your applications- Snyk IDSNYK-UBUNTU1504-FFMPEG-625170
- published6 Sept 2015
- disclosed6 Sept 2015
Introduced: 6 Sep 2015
CVE-2015-6820 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:15.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.
The ff_sbr_apply function in libavcodec/aacsbr.c in FFmpeg before 2.7.2 does not check for a matching AAC frame syntax element before proceeding with Spectral Band Replication calculations, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted AAC data.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-6820
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git;a=commit;h=79a98294da6cd85f8c86b34764c5e0c43b09eea3
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
- https://security-tracker.debian.org/tracker/CVE-2015-6820
- http://www.securitytracker.com/id/1033483
- http://www.ubuntu.com/usn/USN-2944-1
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=79a98294da6cd85f8c86b34764c5e0c43b09eea3