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Case File

CVE-2009-3560

MEDIUM · CVSS 5 EPSS 24.31%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-12-04 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.0. Its EPSS score suggests a 24.3% probability of exploitation in the next 30 days. It may lead to a denial-of-service condition.

CVE
CVE-2009-3560
Severity
MEDIUM
CVSS
5
EPSS
24.31%

Original NVD Description

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.