Improper Input Validation Affecting libav package, versions *


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.12% (47th percentile)

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  • Snyk IDSNYK-UBUNTU1404-LIBAV-1597292
  • published12 May 2023
  • disclosed10 Dec 2018

Introduced: 10 Dec 2018

CVE-2018-20001  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:14.04 libav.

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:14.04 relevant fixed versions and status.

In Libav 12.3, there is a floating point exception in the range_decode_culshift function (called from range_decode_bits) in libavcodec/apedec.c that will lead to remote denial of service via crafted input.