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[ GLSA 201611-08 ] libpng
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PostPosted: Tue Nov 15, 2016 10:26 am    Post subject: [ GLSA 201611-08 ] libpng Reply with quote

Gentoo Linux Security Advisory

Title: libpng: Multiple vulnerabilities (GLSA 201611-08)
Severity: normal
Exploitable: remote
Date: November 15, 2016
Bug(s): #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: media-libs/libpng
Vulnerable: < 1.6.21
Unaffected: >= 1.2.56 < 1.2.57
Unaffected: >= 1.5.26 < 1.5.27
Unaffected: >= 1.6.21
Architectures: All supported architectures


Description

Multiple vulnerabilities were found in libpng. Please review the
referenced CVE’s 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:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.56"
   
All libpng 1.5 users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.5.26"
   
All libpng 1.6 users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=media-libs/libpng-1.6.21"
   


References

CVE-2015-7981
CVE-2015-8126

CVE-2015-8540
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