CVE-2023-4574
MEDIUMFirefox <117, Thunderbird <102.15-115.2 - Use After Free
Title source: llmDescription
When creating a callback over IPC for showing the Color Picker window, multiple of the same callbacks could have been created at a time and eventually all simultaneously destroyed as soon as one of the callbacks finished. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
References (6)
Core 6
Core References
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1846688
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-34/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-35/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-36/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-38/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-37/
Scores
CVSS v3
6.5
EPSS
0.0014
EPSS Percentile
33.2%
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
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (3)
mozilla/firefox
< 117.0
mozilla/firefox_esr
< 102.15
mozilla/thunderbird
< 115.2
Published
Sep 11, 2023
Tracked Since
Feb 18, 2026