FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

expat2 -- Parser crash with specially formatted UTF-8 sequences

Affected packages
expat2 < 2.0.1_1
linux-f10-expat < 2.0.1_1


VuXML ID 5f030587-e39a-11de-881e-001aa0166822
Discovery 2009-01-17
Entry 2009-12-08

CVE reports:

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.


CVE Name CVE-2009-3720