Skip to content
Sign in
Not rated

CVE-2018-12377 A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during…

Description

A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Affected products and versions

Product Affected versions Fixed in
Firefox 62 earliest → < 62 62
Firefox ESR 60.2 earliest → < 60.2 60.2
Thunderbird 60.2 earliest → < 60.2.1 60.2.1

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High
Track this CVE