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CVE-2009-3560

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a den…

Impact

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

Affected products

VendorProductAffected versions
Libexpat ProjectLibexpat
Version 2.0.1
ApacheHttp Server
from 2.0.35 before 2.0.64
from 2.2.0 before 2.2.17

Weakness classification

CWE-119

References