CVE-2013-0780: Canonical Ubuntu Linux

High severity, CVSS 9.3. EPSS: 4.4% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the nsOverflowContinuationTracker::Finish function in Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted document that uses Cascading Style Sheets (CSS) -moz-column-* properties.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 11.10 only; version 12.04 only; version 12.10 only
• Debian Debian Linux: version 7.0 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
• Red Hat Enterprise Linux Aus: version 5.9 only
• Red Hat Enterprise Linux Desktop: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Eus: version 5.9 only; version 6.3 only
• Red Hat Enterprise Linux Server: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only; version 6.0 only

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