[SECURITY] Fedora 14 Update: libpng-1.2.46-1.fc14

updates at fedoraproject.org updates at fedoraproject.org
Sun Jul 31 03:39:29 UTC 2011


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Fedora Update Notification
FEDORA-2011-9336
2011-07-15 00:41:53
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Name        : libpng
Product     : Fedora 14
Version     : 1.2.46
Release     : 1.fc14
URL         : http://www.libpng.org/pub/png/
Summary     : A library of functions for manipulating PNG image format files
Description :
The libpng package contains a library of functions for creating and
manipulating PNG (Portable Network Graphics) image format files.  PNG
is a bit-mapped graphics format similar to the GIF format.  PNG was
created to replace the GIF format, since GIF uses a patented data
compression algorithm.

Libpng should be installed if you need to manipulate PNG format image
files.

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Update Information:

Update to libpng 1.2.46, includes fixes for CVE-2011-2501, CVE-2011-2690, CVE-2011-2691, CVE-2011-2692
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ChangeLog:

* Thu Jul 14 2011 Tom Lane <tgl at redhat.com> 2:1.2.46-1
- Update to libpng 1.2.46, includes fixes for CVE-2011-2501, CVE-2011-2690,
  CVE-2011-2691, CVE-2011-2692
Resolves: #717509
Resolves: #721307
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References:

  [ 1 ] Bug #720607 - CVE-2011-2690 libpng: buffer overwrite in png_rgb_to_gray
        https://bugzilla.redhat.com/show_bug.cgi?id=720607
  [ 2 ] Bug #720608 - CVE-2011-2691 libpng: Crash in png_default_error due to use of NULL Pointer
        https://bugzilla.redhat.com/show_bug.cgi?id=720608
  [ 3 ] Bug #720612 - CVE-2011-2692 libpng: Invalid read when handling empty sCAL chunks
        https://bugzilla.redhat.com/show_bug.cgi?id=720612
  [ 4 ] Bug #717084 - CVE-2011-2501 libpng: regression of CVE-2004-0421 in 1.2.23+
        https://bugzilla.redhat.com/show_bug.cgi?id=717084
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update libpng' 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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