GLSA 201606-03: libjpeg-turbo: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	libjpeg-turbo: Multiple vulnerabilities
Date:	06/05/2016
Bugs:	#491150, #531418
ID:	201606-03

Synopsis

Two vulnerabilities have been discovered in libjpeg-turbo, the worse of which could allow remote attackers access to sensitive information.

Background

libjpeg-turbo is a MMX, SSE, and SSE2 SIMD accelerated JPEG library

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-libs/libjpeg-turbo	< 1.4.2	>= 1.4.2	All supported architectures

Description

libjpeg-turbo does not check for certain duplications of component data during the reading of segments that follow Start Of Scan (SOS) JPEG markers.

Impact

Remote attackers could obtain sensitive information from uninitialized memory locations via a crafted JPEG images.

Workaround

There is no known workaround at this time.

Resolution

All libjpeg-turbo users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libjpeg-turbo-1.4.2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201606-03.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.