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7.5 High

CVE-2026-4719 Incorrect boundary conditions in the Graphics: Text component

Description

Incorrect boundary conditions in the Graphics: Text component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

Affected products and versions

Product Affected versions Fixed in
Firefox 149 earliest → < 149 149
Firefox 140.9 earliest → < 140.9 140.9
Thunderbird 149 earliest → < 149 149
Thunderbird 140.9 earliest → < 140.9 140.9

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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