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TITLE:
Libxml2 UTF-8 Parsing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA28444

VERIFY ADVISORY:
http://secunia.com/advisories/28444/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Libxml2 2.6.x
http://secunia.com/product/3080/

DESCRIPTION:
A vulnerability has been reported in Libxml2, which can be exploited
by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an unspecified error within the
"xmlCurrentChar()" function. This can be exploited to trigger the
execution of an infinite loop via specially crafted UTF-8 sequences.

The vulnerability is reported in versions prior to 2.6.31.

SOLUTION:
Update to version 2.6.31 or apply patch.
http://veillard.com/libxml2.patch

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Brad Fitzpatrick from Google.

ORIGINAL ADVISORY:
http://mail.gnome.org/archives/xml/2008-January/msg00036.html

OTHER REFERENCES:
https://bugzilla.redhat.com/show_bug.cgi?id=425927

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