CVE-2009-3720 – expat: buffer over-read and crash on XML with malformed UTF-8 sequences

https://notcve.org/view.php?id=CVE-2009-3720

03 Nov 2009 — The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625. La función updatePosition en lib/xmltok_impl.c en libexpat en Expat v2.0.1, usado en Python, PyXML, w3c-libwww, ay otros programas, permite a atacantes dependientes ... • http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch •