CVE-2022-22740
HIGHFirefox < 96.0 and Firefox ESR < 91.5 - Use-After-Free in Network Request Handling
Title source: llmDescription
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
References (4)
Core 4
Core References
Exploit, Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1742334
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-01/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-02/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-03/
Scores
CVSS v3
8.8
EPSS
0.0027
EPSS Percentile
50.4%
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
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (3)
mozilla/firefox
< 96.0
mozilla/firefox_esr
< 91.5
mozilla/thunderbird
< 91.5
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026