CVE-2022-34485

9.8 criticalEPSS 0.7%

Critical (9.8) in mozilla firefox. EPSS 0.7% chance of exploitation in the next 30 days.

Mozilla developers Bryce Seager van Dyk and the Mozilla Fuzzing Team reported potential vulnerabilities present in Firefox 101. 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 < 102.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2022-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1768409%2C1768578
https://www.mozilla.org/security/advisories/mfsa2022-24/
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1768409%2C1768578
https://www.mozilla.org/security/advisories/mfsa2022-24/

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