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Gentoo Linux Security Advisory GLSA 201701-61
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https://security.gentoo.org/
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Severity: Normal
Title: WebP: Multiple vulnerabilities
Date: January 24, 2017
Bugs: #598208
ID: 201701-61

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Synopsis
========

Multiple vulnerabilities have been discovered in WebP, the worst of
which could allow a remote attacker to cause a Denial of Service
condition.

Background
==========

WebP is an image format employing both lossy and lossless compression.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 media-libs/libwebp < 0.5.2 >= 0.5.2

Description
===========

Multiple vulnerabilities have been discovered in WebP’s gif2webp tool.
Please review the CVE identifier and bug reference for details.

Impact
======

A remote attacker, by enticing a user to process a specially crafted
file using WebP’s gif2webp tool, could possibly cause a Denial of
Service condition or other unspecified impacts.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All WebP users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-libs/libwebp-0.5.2”

References
==========

[ 1 ] CVE-2016-9085
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9085

Availability
============

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

https://security.gentoo.org/glsa/201701-61

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 2017 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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