High severity · published Apr 16, 2024
CVE-2024-3857
The JIT created incorrect code for arguments in certain cases
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 125 · source: vendor, NVD, CISA
FE
Firefox ESR · Mozilla
before 115.10 · source: vendor, CISA
TH
Thunderbird · Mozilla
before 115.10 · source: vendor, NVD, CISA
DL
Debian Linux · Debian
10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-3857
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-3857
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1886683
Mailing List
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html
Mailing List
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/
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