CVE-2026-113401 Denial-of-service in the PDF Viewer component

Description

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 158.0	earliest → < 158.0.1	158.0.1
Thunderbird 158.0	earliest → < 158.0.1	158.0.1

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