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TITLE:
libpng ICC Profile Chunk Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA27130

VERIFY ADVISORY:
http://secunia.com/advisories/27130/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
libpng 1.x
http://secunia.com/product/3439/

DESCRIPTION:
A vulnerability has been reported in libpng, which potentially can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an off-by-one error within the ICC
profile chunk handling, which potentially can be exploited to crash an
application using the library.

Note: Other chunk handling routines may be affected, too.

The vulnerability is reported in version 1.2.21. Other versions may
also be affected.

SOLUTION:
Fixed in 1.2.22 beta 2 or later.

PROVIDED AND/OR DISCOVERED BY:
bnanson

ORIGINAL ADVISORY:
http://www.libpng.org/pub/png/libpng.html
http://sourceforge.net/mailarchive/forum.php?thread_name=47067C84.7010205%40playstation.sony.com&forum_name=png-mng-implement

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