CVE-2022-1097
MEDIUM EXPLOITEDFirefox < 99.0 and Firefox ESR < 91.8 - Use-After-Free in NSSToken
Title source: llmExploitation Summary
CVE-2022-1097 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1745667
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-13/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-14/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-15/
Scores
CVSS v3
6.5
EPSS
0.0026
EPSS Percentile
49.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
VulnCheck KEV
2022-08-15
CWE
CWE-416
Status
published
Products (3)
mozilla/firefox
< 99.0
mozilla/firefox_esr
< 91.8
mozilla/thunderbird
< 91.8
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026