Unrated severityNVD Advisory· Published Jun 2, 2023· Updated Dec 18, 2025

Memory safety bugs fixed in Firefox 109

CVE-2023-23606

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefoxllm-fuzzy2 versions
<109+ 1 more
- (no CPE)range: <109
- (no CPE)range: unspecified
osv-coords2 versions
pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 109.0-1.1

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/buglist.cgimitre
www.mozilla.org/security/advisories/mfsa2023-01/mitre

News mentions

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