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8.1 High

CVE-2024-5688 If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant

Description

If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.

Affected products and versions

Product Affected versions Fixed in
Firefox 127 earliest → < 127 127
Firefox ESR 115.12 earliest → < 115.12 115.12
Thunderbird 115.12 earliest → < 115.12 115.12
firefox_esr 115.12 earliest → < 115.12 115.12

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-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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