Home / mailings [gentoo-announce] [ GLSA 201611-08 ] libpng: Multiple vulnerabilities
Posted on 15 November 2016
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From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <f2f20d01-d212-2b40-6a46-f0b04b209ad3@gentoo.org>
Subject: [ GLSA 201611-08 ] libpng: Multiple vulnerabilities
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Gentoo Linux Security Advisory GLSA 201611-08
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https://security.gentoo.org/
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Severity: Normal
Title: libpng: Multiple vulnerabilities
Date: November 15, 2016
Bugs: #564244, #565678, #568216
ID: 201611-08
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Synopsis
========
Multiple vulnerabilities have been found in libpng, the worst of which
may allow remote attackers to cause Denial of Service.
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.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libpng < 1.6.21 *>= 1.2.56
*>= 1.5.26
>= 1.6.21
Description
===========
Multiple vulnerabilities were found in libpng. Please review the
referenced CVE=E2=80=99s for additional information.
Impact
======
Remote attackers could cause a Denial of Service condition or have
other unspecified impacts.
Workaround
==========
There is no known workaround at this time.
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"
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
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 2016 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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<pre style="color: rgb(0, 0, 0); font-style: normal; font-variant-l=igatures: normal; font-variant-caps: normal; font-weight: normal; letter-=spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-tr=ansform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0=px; word-wrap: break-word; white-space: pre-wrap;">- - - - - - - - - - - =- - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201611-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
<a class="moz-txt-link-freet=ext" href="https://security.gentoo.org/">https://security.gentoo.org/</=a>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: libpng: Multiple vulnerabilities
Date: November 15, 2016
Bugs: #564244, #565678, #568216
ID: 201611-08
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Multiple vulnerabilities have been found in libpng, the worst of which
may allow remote attackers to cause Denial of Service.
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.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-libs/libpng < 1.6.21 *>= 1.=2.56
*>= 1.5.2=6
>= 1.6.2=1
Description
===========
Multiple vulnerabilities were found in libpng. Please review the
referenced CVE=E2=80=99s for additional information.
Impact
======
Remote attackers could cause a Denial of Service condition or have
other unspecified impacts.
Workaround
==========
There is no known workaround at this time.
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"
References
==========
[ 1 ] CVE-2015-7981
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd.=cfm?cvename=CVE-2015-7981">http://nvd.nist.gov/nvd.cfm?cvename=CVE-20=15-7981</a>
[ 2 ] CVE-2015-8126
<a class="moz-txt-link-freetext" href="http://nvd.nist.gov/nvd.=cfm?cvename=CVE-2015-8126">http://nvd.nist.gov/nvd.cfm?cvename=CVE-20=15-8126</a>
[ 3 ] CVE-2015-8540
<a class="moz-txt-link-freetext" href="http://web.nvd.nist.gov/=view/vuln/detail?vulnId=CVE-2015-8540">http://web.nvd.nist.gov/view/vul=n/detail?vulnId=CVE-2015-8540</a>
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
<a class="moz-txt-link-freetext" href="https://security.gentoo.org/g=lsa/201611-08">https://security.gentoo.org/glsa/201611-08</a>
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
<a class="moz-txt-link-abbreviated" href="mailto:security@gentoo.org"=>security@gentoo.org</a> or alternatively, you may file a bug at
<a class="moz-txt-link-freetext" href="https://bugs.gentoo.org">https=://bugs.gentoo.org</a>.
License
=======
Copyright 2016 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.
<a class="moz-txt-link-freetext" href="http://creativecommons.org/lic=enses/by-sa/2.5">http://creativecommons.org/licenses/by-sa/2.5</a></pre>
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