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Sicherheit: Denial of Service in libpng10
Aktuelle Meldungen Distributionen
Name: Denial of Service in libpng10
ID: FEDORA-2014-1754
Distribution: Fedora
Plattformen: Fedora 19
Datum: Fr, 7. Februar 2014, 12:33
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6954
Applikationen: libpng

Originalnachricht

Name        : libpng10
Product : Fedora 19
Version : 1.0.60
Release : 6.fc19
URL : http://www.libpng.org/pub/png/libpng.html
Summary : Old version of libpng, needed to run old binaries
Description :
The libpng10 package contains an old version of libpng, a library of functions
for creating and manipulating PNG (Portable Network Graphics) image format
files.

This package is needed if you want to run binaries that were linked dynamically
with libpng 1.0.x.

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Update Information:

This update fixes an issue in which an image with a missing or empty palette
could cause a crash of a libpng10-using application (CVE-2013-6954).
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ChangeLog:

* Thu Jan 23 2014 Paul Howarth <paul@city-fan.org> 1.0.60-6
- handle zero-length PLTE chunk or NULL palette with png_error(), to avoid
later reading from a NULL pointer (png_ptr->palette) in
png_do_expand_palette() (CVE-2013-6954)
* Sat Jul 27 2013 Paul Howarth <paul@city-fan.org> 1.0.60-5
- install docs to %{_pkgdocdir} where available
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References:

[ 1 ] Bug #1045561 - CVE-2013-6954 libpng: unhandled zero-length PLTE chunk
or NULL palette
https://bugzilla.redhat.com/show_bug.cgi?id=1045561
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This update can be installed with the "yum" update program. Use
su -c 'yum update libpng10' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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