CVE-2022-31745
Medium
Published: 22 December 2022
Published
22 December 2022
Modified
15 April 2025
KEV Added
—
Patch
—
CVSS Score v3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score
0.0014
33.8th percentile
Risk Priority
9
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-31745 is a medium-severity Improper Validation of Array Index (CWE-129) vulnerability in Mozilla Firefox. Its CVSS base score is 4.3 (Medium).
Operationally, ranked at the 33.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-53143
Vulnerability details
If array shift operations are not used, the Garbage Collector may have become confused about valid objects. This vulnerability affects Firefox < 101.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 101.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.