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8.8 High

CVE-2024-4770 When saving a page to PDF, certain font styles could have led to a potential use-after-free crash

Description

When saving a page to PDF, certain font styles could have led to a potential use-after-free crash. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

Affected products and versions

Product Affected versions Fixed in
Firefox 126 earliest → < 126 126
Firefox ESR 115.11 earliest → < 115.11 115.11
Thunderbird 115.11 earliest → < 115.11 115.11
firefox_esr 115.11 earliest → < 115.11 115.11

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-2026-118024 Use-after-free in the Graphics: Text component 8.8 High CVE-2026-118025 Other issue in the SVG component 8.8 High
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