Gentoo Logo

WebP: User-assisted execution of arbitrary code


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201312-08 / libwebp
Release Date December 10, 2013
Latest Revision December 10, 2013: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
media-libs/libwebp < 0.2.1 >= 0.2.1 All supported architectures

Related bugreports: #442152


An integer overflow vulnerability in WebP could lead to arbitrary code execution or Denial of Service.

2.  Impact Information


WebP is a lossy image compression format.


An integer overflow flaw has been found in WebP.


A remote attacker could entice a user to open a specially crafted image in an application linked against WebP, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

3.  Resolution Information


There is no known workaround at this time.


All WebP users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-libs/libwebp-0.2.1"

4.  References


Page updated December 10, 2013

Summary: This is a Gentoo Linux Security Advisory

Security Team
Contact Address

Donate to support our development efforts.

Copyright 2001-2015 Gentoo Foundation, Inc. Questions, Comments? Contact us.