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8.8 High

CVE-2023-25735 Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in…

Description

Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free after unwrapping the proxy. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Affected products and versions

Product Affected versions Fixed in
Firefox 110 earliest → < 110 110
Thunderbird 102.8 earliest → < 102.8 102.8
Firefox ESR 102.8 earliest → < 102.8 102.8

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-2026-118024 Use-after-free in the Graphics: Text component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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