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8.8 High

CVE-2023-28176 Memory safety bugs present in Firefox 110 and Firefox ESR 102.8

Description

Memory safety bugs present in Firefox 110 and Firefox ESR 102.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

Affected products and versions

Product Affected versions Fixed in
Firefox 111 earliest → < 111 111
Firefox ESR 102.9 earliest → < 102.9 102.9
Thunderbird 102.9 earliest → < 102.9 102.9

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-2026-118024 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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