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

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H