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6.5 Medium

CVE-2024-10458 A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements

Description

A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.

Affected products and versions

Product Affected versions Fixed in
Firefox 132 earliest → < 132 132
Firefox ESR 115.17 earliest → < 115.17 115.17
Thunderbird 132 earliest → < 132 132

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-2026-118024 Use-after-free in the Graphics: Text component 8.8 High
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