libtheora: Arbitrary code execution — GLSA 201312-04

An integer overflow in libtheora might allow remote attackers to execute arbitrary code or cause a Denial of Service condition.

Affected Packages

media-libs/libtheora on all architectures
Affected versions < 1.1.1
Unaffected versions >= 1.1.1

Background

libtheora is the reference implementation of Theora, a free and open video compression format from the Xiph.org Foundation.

Description

An integer overflow flaw has been discovered in libtheora.

Impact

A remote attacker could execute arbitrary code or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All libtheora users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=media-libs/libtheora-1.1.1"
 

Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages.

References

Release Date
December 03, 2013

Latest Revision
December 03, 2013: 1

Severity
normal

Exploitable
remote

Bugzilla entries