CVE-2009-3560

expat: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, asused in the XML-Twig module for Perl, allows c...

CVE-2009-3560 is fixed in 7 products on 1 platform, first by expat 2.0.1-7ubuntu1, released December 4, 2009. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.2431
97th percentile

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, asused in the XML-Twig module for Perl, allows context-dependent attackers tocause a denial of service (application crash) via an XML document withmalformed UTF-8 sequences that trigger a buffer over-read, related to thedoProlog function in lib/xmlparse.c, a different vulnerability thanCVE-2009-2625 and CVE-2009-3720.

Where it's fixed

ProductFixed inFixReleased
Linux
expat · Ubuntu 24.10 (oracular) 2.0.1-7ubuntu1 expat 2.0.1-7ubuntu1 Dec 4, 2009
expat · Ubuntu 25.04 (plucky) 2.0.1-7ubuntu1 expat 2.0.1-7ubuntu1 Dec 4, 2009
libexpat1 · Ubuntu 24.10 (oracular) 2.0.1-7ubuntu1 libexpat1 2.0.1-7ubuntu1 Dec 4, 2009
libexpat1 · Ubuntu 25.04 (plucky) 2.0.1-7ubuntu1 libexpat1 2.0.1-7ubuntu1 Dec 4, 2009
libxmlrpc-c++8t64 · Ubuntu 24.10 (oracular) 1.06.27-1ubuntu7 libxmlrpc-c++8t64 1.06.27-1ubuntu7 Dec 4, 2009
libxmlrpc-c++9 · Ubuntu 25.04 (plucky) 1.06.27-1ubuntu7 libxmlrpc-c++9 1.06.27-1ubuntu7 Dec 4, 2009
libxmlrpc-core-c3t64 · Ubuntu 24.10 (oracular) 1.06.27-1ubuntu7 libxmlrpc-core-c3t64 1.06.27-1ubuntu7 Dec 4, 2009
libxmlrpc-core-c3t64 · Ubuntu 25.04 (plucky) 1.06.27-1ubuntu7 libxmlrpc-core-c3t64 1.06.27-1ubuntu7 Dec 4, 2009
libxmlrpc-util4 · Ubuntu 25.04 (plucky) 1.06.27-1ubuntu7 libxmlrpc-util4 1.06.27-1ubuntu7 Dec 4, 2009
xmlrpc-api-utils · Ubuntu 24.10 (oracular) 1.06.27-1ubuntu7 xmlrpc-api-utils 1.06.27-1ubuntu7 Dec 4, 2009
xmlrpc-api-utils · Ubuntu 25.04 (plucky) 1.06.27-1ubuntu7 xmlrpc-api-utils 1.06.27-1ubuntu7 Dec 4, 2009

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