CVE-2014-4609

Publication date 14 January 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Integer overflow in the get_len function in libavutil/lzo.c in Libav before 0.8.13, 9.x before 9.14, and 10.x before 10.2 allows remote attackers to execute arbitrary code via a crafted Literal Run.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libav	14.04 LTS trusty	Fixed 6:9.14-0ubuntu0.14.04.1
	12.04 LTS precise	Fixed 4:0.8.13-0ubuntu0.12.04.1
	10.04 LTS lucid	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libav	Upstream: http://git.libav.org/?p=libav.git;a=commit;h=ccda51b14c0fcae2fad73a24872dce75a7964996

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H