CVE-2009-0323: w3 Amaya

High severity, CVSS 10.0. EPSS: 62.5% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in W3C Amaya Web Browser 10.0 and 11.0 allow remote attackers to execute arbitrary code via (1) a long type parameter in an input tag, which is not properly handled by the EndOfXmlAttributeValue function; (2) an "HTML GI" in a start tag, which is not properly handled by the ProcessStartGI function; and unspecified vectors in (3) html2thot.c and (4) xml2thot.c, related to the msgBuffer variable. NOTE: these are different vectors than CVE-2008-6005.

Affected products

• w3 Amaya: up to and including 11.0; version 0.9 only; version 0.95b only; version 1.0 only; version 1.0a only; version 1.1 only; …

Published 2009-01-28. Last modified 2026-06-16.