CVE-2022-22742
Medium
Published: 22 December 2022
Published
22 December 2022
Modified
16 April 2025
KEV Added
—
Patch
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CVSS Score v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.0031
54.1th percentile
Risk Priority
13
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-22742 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Mozilla Firefox. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 45.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-27885
Vulnerability details
When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 96.0
mozilla
firefox esr
≤ 91.5
mozilla
thunderbird
≤ 91.5
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.