Izdana je nova inačica programskog paketa libpng10 u kojoj je ispravljena sigurnosna ranjivost. Potencijalnim napadačima ranjivost omogućuje provođenje napada uskraćivanjem usluge i izvršavanje proizvoljnog programskog koda.

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Fedora Update Notification
FEDORA-2012-3507
2012-03-10 01:20:23
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Name        : libpng10
Product     : Fedora 17
Version     : 1.0.58
Release     : 1.fc17
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:

A type conversion flaw leading to an out-of-bounds heap buffer read was found in
the way libpng10, a library of functions for manipulation PNG image format
files, performed expansion of certain iCCP, iTXt, and zTXt PNG image file
chunks.

A remote attacker could provide a specially-crafted Portable Network Graphics
(PNG) image file, which once opened in an application, linked against libpng10,
could lead to denial of service or in some cases, execution of arbitrary code
without permission of the user running such an application.
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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 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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