Out-of-Bounds Affecting libav package, versions <4:0.8.17-0ubuntu0.12.04.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.76% (82nd percentile)

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  • Snyk IDSNYK-UBUNTU1204-LIBAV-404891
  • published6 Sept 2015
  • disclosed6 Sept 2015

Introduced: 6 Sep 2015

CVE-2015-6820  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Ubuntu:12.04 libav to version 4:0.8.17-0ubuntu0.12.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libav package and not the libav package as distributed by Ubuntu. See How to fix? for Ubuntu:12.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1