High severity · published Apr 16, 2024
CVE-2024-3864
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% 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-2024-3864
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-3864
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1888333
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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