Gentoo: GLSA-201611-08 Moderate: libpng Denial of Service Risk
gentoo
November 15, 2016
Multiple vulnerabilities have been found in libpng, the worst of which may allow remote attackers to cause Denial of Service.
Summary
Multiple vulnerabilities were found in libpng. Please review the referenced CVE’s for additional information.
Topics Covered
Resolution
All libpng 1.2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.56"
All libpng 1.5 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.5.26"
All libpng 1.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.21"
All libpng 1.5 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.5.26"
All libpng 1.6 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.21"
References
[ 1 ] CVE-2015-7981 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7981 [ 2 ] CVE-2015-8126 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8126 [ 3 ] CVE-2015-8540 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8540
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201611-08
style>.gentoo_availability{display:block;}
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: libpng: Multiple vulnerabilities
Date: November 15, 2016
Bugs: #564244, #565678, #568216
ID: 201611-08
Topics Covered
Background
libpng is a standard library used to process PNG (Portable Network
Graphics) images. It is used by several other programs, including web
browsers and potentially server processes.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libpng < 1.6.21 *>= 1.2.56
*>= 1.5.26
>= 1.6.21
Impact
=====
Remote attackers could cause a Denial of Service condition or have
other unspecified impacts.
Workaround
There is no known workaround at this time.
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