CVE request: OptiPNG Palette Reduction Use-After-Free Vulnerability

[Agostino Sarubbo <ago () gentoo org>]

Quoting the secunia advisory:

Description
A vulnerability has been reported in OptiPNG, which can be exploited by 
malicious people to potentially compromise a user's system.

The vulnerability is caused due to a use-after-free error related to the 
palette reduction functionality. No further information is currently 
available.

Success exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 0.7, 0.7.1, and 0.7.2.


Solution
Update to version 0.7.3.


Code commit:
http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2

Additional info:
Version 0.6.5 and earlier are not affected.
-- 
Agostino Sarubbo / ago -at- gentoo.org
Gentoo/AMD64 Arch Security Liaison
GPG: 0x7CD2DC5D

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