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8.8 High

CVE-2026-92014 Privilege escalation due to incorrect boundary conditions in the Graphics component

Description

Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.

Affected products and versions

Product Affected versions Fixed in
Firefox 140.16 earliest → < 140.16 140.16
Firefox 115.41 earliest → < 115.41 115.41
Thunderbird 140.16 earliest → < 140.16 140.16

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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