CVE-2023-25739
HIGHFirefox < 110.0, Firefox ESR < 102.8, Thunderbird < 102.8 - Use-After-Free in ScriptLoadContext
Title source: llmDescription
Module load requests that failed were not being checked as to whether or not they were cancelled causing a use-after-free in <code>ScriptLoadContext</code>. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.
References (4)
Core 4
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1811939
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-07/
Scores
CVSS v3
8.8
EPSS
0.0021
EPSS Percentile
43.0%
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
< 110.0
mozilla/firefox_esr
< 102.8
mozilla/thunderbird
< 102.8
Published
Jun 02, 2023
Tracked Since
Feb 18, 2026