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6.2 Medium

CVE-2025-10536 Information disclosure in the Networking: Cache component

Description

Information disclosure in the Networking: Cache component. This vulnerability was fixed in Firefox 143, Firefox ESR 140.3, Thunderbird 143, and Thunderbird 140.3.

Affected products and versions

Product Affected versions Fixed in
Firefox 143 earliest → < 143 143
Firefox 140.3 earliest → < 140.3 140.3
Firefox ESR 140.3 earliest → < 140.3 140.3
Thunderbird 143 earliest → < 143 143
Thunderbird 140.3 earliest → < 140.3 140.3

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-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High
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