CVE-2022-34481

8.8 highEPSS 0.8%

High (8.8) in mozilla. EPSS 0.8% chance of exploitation in the next 30 days.

In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was too large for the container. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2022-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:firefox_esr
mozilla:thunderbird

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1497246
https://www.mozilla.org/security/advisories/mfsa2022-24/
https://www.mozilla.org/security/advisories/mfsa2022-25/
https://www.mozilla.org/security/advisories/mfsa2022-26/
https://bugzilla.mozilla.org/show_bug.cgi?id=1497246

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