CVE-2024-3861
MEDIUMFirefox < 125 and ESR < 115.10 - Use-After-Free via AlignedBuffer Self-Assignment
Title source: llmDescription
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
References (6)
Core 6
Core References
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1883158
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-18/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-19/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-20/
Scores
CVSS v3
4.0
EPSS
0.0012
EPSS Percentile
30.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-416
Status
published
Products (4)
debian/debian_linux
10.0
mozilla/firefox
< 115.0
mozilla/firefox
< 125.0
mozilla/thunderbird
< 115.0
Published
Apr 16, 2024
Tracked Since
Feb 18, 2026