GLSA 201801-02: OptiPNG: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	OptiPNG: Multiple vulnerabilities
Date:	01/07/2018
Bugs:	#637936, #639690
ID:	201801-02

Synopsis

Multiple vulnerabilities have been found in OptiPNG, the worst of which may allow execution of arbitrary code.

Background

OptiPNG is a PNG optimizer that re-compresses image files to a smaller size, without losing any information.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-gfx/optipng	< 0.7.6-r2	>= 0.7.6-r2	All supported architectures

Description

Multiple vulnerabilities have been discovered in OptiPNG. Please review the referenced CVE identifiers for details.

Impact

A remote attacker could entice a user to process a specially crafted image file, 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 OptiPNG users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=media-gfx/optipng-0.7.6-r2"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201801-02.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.