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[gentoo-announce] [ GLSA 201512-05 ] gdk-pixbuf: Multiple Vulnerabilities

Posted on 21 December 2015
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201512-05
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https://security.gentoo.org/
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Severity: Normal
Title: gdk-pixbuf: Multiple Vulnerabilities
Date: December 21, 2015
Bugs: #556314, #562878, #562880
ID: 201512-05

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Synopsis
========
Multiple buffer overflow vulnerabilities in gdk-pixbuf may allow remote
attackers to execute arbitrary code or cause Denial of Service.

Background
==========
gdk-pixbuf is an image loading library for GTK+.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 x11-libs/gdk-pixbuf < 2.32.1 >= 2.32.1

Description
===========
Three heap-based buffer overflow vulnerabilities have been discovered
in gdk-pixbuf. Please review the CVE identifiers referenced below for
details.

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

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All gdk-pixbuf users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/gdk-pixbuf-2.32.1"

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

References
==========
[ 1 ] CVE-2015-4491
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-4491
[ 2 ] CVE-2015-7673
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7673
[ 3 ] CVE-2015-7674
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7674

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201512-05

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.

License
=======
Copyright 2015 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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