CVE-2023-25751
MEDIUMFirefox < 111.0 and Firefox ESR < 102.9 - Use-After-Free in JIT Code Invalidation
Title source: llmDescription
Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1814899
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-09/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-10/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-11/
Scores
CVSS v3
6.5
EPSS
0.0011
EPSS Percentile
29.7%
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
Status
published
Products (3)
mozilla/firefox
< 111.0
mozilla/firefox_esr
< 102.9
mozilla/thunderbird
< 102.9
Published
Jun 02, 2023
Tracked Since
Feb 18, 2026