CVE-2009-3720

CVE-2009-3720CVE-2009-3720

libexpat_project / libexpat

Description

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.

Scoring

CVSS 5.0 ()
VectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Last modified2026-07-20
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.