CVE-2013-1724: Use-after-free vulnerability in the mozilla::dom::HTMLFormElement::IsDefaultSubmitElement function in Mozil...

Security readout for executives and security teams

This is an old Mozilla memory-safety flaw that could let a remote attacker crash the application or run code through crafted content. The source names Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21. Modern environments are mainly exposed if legacy systems or frozen images still run those versions. Exposure is most likely on legacy desktops, kiosks, VDI images, or Linux distributions retaining vulnerable Mozilla packages. The bundle does not identify server-side products. Thunderbird exposure depends on handling attacker-controlled HTML content in affected releases. Prioritize remediation where legacy Mozilla clients still process internet or email content. For current supported fleets, urgency is lower unless asset inventory shows affected versions. The main business risk is code execution on endpoints from outdated browser or mail software. Mitigation focus: Upgrade Firefox to 24.0 or later where still present.; Upgrade Thunderbird to 24.0 or later where still present.; Upgrade SeaMonkey to 2.21 or later where still present..

Prepared

Jun 14, 2026, 15:32 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.