CVE-2013-5618: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 10.4% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the nsNodeUtils::LastRelease function in the table-editing user interface in the editor component in Mozilla Firefox before 26.0, Firefox ESR 24.x before 24.2, Thunderbird before 24.2, and SeaMonkey before 2.23 allows remote attackers to execute arbitrary code by triggering improper garbage collection.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 12.10 only; version 13.04 only; version 13.10 only
• Fedoraproject Fedora: version 18 only; version 19 only; version 20 only
• Mozilla Firefox: before 26.0 (fixed in 26.0); from 24.0, before 24.2 (fixed in 24.2)
• Mozilla Seamonkey: before 2.23 (fixed in 2.23)
• Mozilla Thunderbird: before 24.2 (fixed in 24.2)
• Opensuse Opensuse: version 12.2 only; version 12.3 only; version 13.1 only
• Red Hat Enterprise Linux Desktop: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Eus: version 6.5 only
• Red Hat Enterprise Linux Server: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Server Aus: version 6.5 only
• Red Hat Enterprise Linux Server Eus: version 6.5 only
• Red Hat Enterprise Linux Server Tus: version 6.5 only
• Red Hat Enterprise Linux Workstation: version 5.0 only; version 6.0 only
• Suse Suse Linux Enterprise Desktop: version 11 only
• Suse Suse Linux Enterprise Server: version 11 only
• Suse Suse Linux Enterprise Software Development Kit: version 11.0 only

Published 2013-12-11. Last modified 2026-06-16.