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8.8 High

CVE-2023-23606 Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108

Description

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108. 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 < 109.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 109	earliest → < 109	109

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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www.cveye.io/en/cve/CVE-2023-23606

Timeline

Published June 2, 2023
Last modified December 18, 2025

References

Memory safety bugs fixed in Firefox 109 bugzilla.mozilla.org
www.mozilla.org www.mozilla.org

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