CVE-2023-5728
HIGHFirefox < 119.0 and Firefox ESR < 115.4 - Use-After-Free during Garbage Collection
Title source: llmDescription
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
References (8)
Core 8
Core References
Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1852729
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html
Mailing List, Third Party Advisory
https://www.debian.org/security/2023/dsa-5535
Third Party Advisory
https://www.debian.org/security/2023/dsa-5538
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-46/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-47/
Scores
CVSS v3
7.5
EPSS
0.0053
EPSS Percentile
67.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (5)
debian/debian_linux
10.0
debian/debian_linux
11.0
mozilla/firefox
< 119.0
mozilla/firefox_esr
< 115.4
mozilla/thunderbird
< 115.4.1
Published
Oct 25, 2023
Tracked Since
Feb 18, 2026