CVE-2013-0784: Canonical Ubuntu Linux

High severity, CVSS 9.3. EPSS: 4.7% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 19.0, Thunderbird before 17.0.3, and SeaMonkey before 2.16 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 11.10 only; version 12.04 only; version 12.10 only
• Mozilla Firefox: before 17.0.3 (fixed in 17.0.3); before 19.0 (fixed in 19.0)
• Mozilla Seamonkey: before 2.16 (fixed in 2.16)
• Mozilla Thunderbird: before 17.0.3 (fixed in 17.0.3)
• Mozilla Thunderbird ESR: before 17.0.3 (fixed in 17.0.3)
• Opensuse Opensuse: version 11.4 only; version 12.1 only; version 12.2 only

Published 2013-02-19. Last modified 2026-06-16.