U radu programske biblioteke libpng otkriveni su propusti koje zloćudni napadači mogu iskoristiti za proizvoljno izvršavanje programskog koda i DoS napad.

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Fedora Update Notification
FEDORA-2012-3739
2012-03-15 01:36:00
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Name        : libpng
Product     : Fedora 16
Version     : 1.2.48
Release     : 1.fc16
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 latest versions for minor security fixes
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ChangeLog:

* Sun Mar 11 2012 Tom Lane <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 2:1.2.48-1
- Update to libpng 1.2.48, for minor security issues (CVE-2011-3045)
Resolves: #801667
* Thu Feb 16 2012 Tom Lane <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 2:1.2.46-2
- Fix CVE-2011-3026
Resolves: #791183
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References:

  [ 1 ] Bug #799000 - CVE-2011-3045 libpng: buffer overflow in png_inflate
caused by invalid type conversions
        https://bugzilla.redhat.com/show_bug.cgi?id=799000
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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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