expat: The updatePosition function in lib/xmltok_impl.c in libexpat in Expat2.0.1, as used in Python, PyXML, w3c-libwww, and...
CVE-2009-3720 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.
The updatePosition function in lib/xmltok_impl.c in libexpat in Expat2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allowscontext-dependent attackers to cause a denial of service (applicationcrash) via an XML document with crafted UTF-8 sequences that trigger abuffer over-read, a different vulnerability than CVE-2009-2625.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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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