| Package | Affected versions | Patched versions |
|---|---|---|
| http server | ≥ 2.0.35, < 2.0.64≥ 2.2.0, < 2.2.17 | 2.0.642.2.17 |
| libexpat | = 2.0.1 |
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.
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