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7.4 High

CVE-2025-3032 Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks

Description

Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137.

Affected products and versions

Product Affected versions Fixed in
Firefox 137 earliest → < 137 137
Thunderbird 137 earliest → < 137 137

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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