CVE-2016-9819

Publication date 1 March 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

libavcodec/mpegvideo.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.

From the Ubuntu Security Team

It was discovered that Libav incorrectly handled certain media files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libav	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 6:9.20-0ubuntu0.14.04.1+esm1 Ubuntu Pro
	12.04 LTS precise	Ignored end of life

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Notes

ratliff

reproducer in the asarubbo repo

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H