CVE-2022-34484
HIGHFirefox < 102.0 and Firefox ESR < 91.11 - Use-After-Free
Title source: llmDescription
The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. 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, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1763634%2C1772651
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-26/
Scores
CVSS v3
8.8
EPSS
0.0028
EPSS Percentile
51.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-416
Status
published
Products (3)
mozilla/firefox
< 102.0
mozilla/firefox_esr
< 91.11
mozilla/thunderbird
< 91.11
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026