CVE-2023-23606

HIGH 8.8

Memory safety bugs fixed in Firefox 109

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Jun 2, 2023
Last Updated	Dec 18, 2025

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Affected Versions

Mozilla / Firefox

unspecified < 109

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/buglist.cgi?bug_id=1764974%2C1798591%2C1799201%2C1800446%2C1801248%2C1802100%2C1803393%2C1804626%2C1804971%2C1807004 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2023-01/

Credits

Mozilla developers