CVE-2008-4063: Canonical Ubuntu Linux

High severity, CVSS 9.3. EPSS: 4% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in Mozilla Firefox 3.x before 3.0.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the layout engine and (1) a zero value of the "this" variable in the nsContentList::Item function; (2) interaction of the indic IME extension, a Hindi language selection, and the "g" character; and (3) interaction of the nsFrameList::SortByContentOrder function with a certain insufficient protection of inline frames.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 7.04 only; version 7.10 only; version 8.04 only
• Mozilla Firefox: up to and including 3.0.1; version 3.0 only

Published 2008-09-24. Last modified 2026-06-16.