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8.8 High

CVE-2023-25739 Module load requests that failed were not being checked as to whether or not they were cancelled causing a…

Description

Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. 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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