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5.3 Medium

CVE-2024-3862 The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a…

Description

The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it were used in a self-assignment. This vulnerability affects Firefox < 125.

Affected products and versions

Product Affected versions Fixed in
Firefox 125 earliest → < 125 125

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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