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Gentoo: GLSA-202310-04 Critical: LibPNG Memory Corruption Vulnerability

gentoo
Calendar Grey August 9, 2014
Scroller Gentoo
A flaw in FreeType may permit unauthorized code execution or result in Denial of Service in Gentoo environments.
A vulnerability in FreeType could result in execution of arbitrary code or Denial of Service.

Summary

A stack-based buffer overflow exists in Freetype's cf2_hintmap_build function in cff/cf2hints.c.

Resolution

All FreeType users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/freetype-2.5.3-r1"
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-2014-2240 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2240

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201408-02
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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.

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Severity: Normal
Title: FreeType: Arbitrary code execution
Date: August 09, 2014
Bugs: #504088
ID: 201408-02

Synopsis

A vulnerability in FreeType could result in execution of arbitrary code or Denial of Service.

Background

FreeType is a high-quality and portable font engine.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/freetype < 2.5.3-r1 >= 2.5.3-r1

Impact

===== A remote attacker may be able to execute arbitrary code or cause a Denial of Service condition via specially crafted font file.

Workaround

There is no known workaround at this time.