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4.3 Medium

CVE-2026-12303 Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component

Description

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

Affected products and versions

Product Affected versions Fixed in
Firefox 152 earliest → < 152 152
Thunderbird 152 earliest → < 152 152

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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