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F5 Networks: K15905 (CVE-2009-3560): Expat vulnerabilities CVE-2009-3560 and CVE-2009-3720

Severity CVSS Published Added Modified
5 (AV:N/AC:L/Au:N/C:N/I:N/A:P) December 04, 2009 February 16, 2017 October 13, 2017


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.

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