Critical severity · published Sep 3, 2024
CVE-2024-8387
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 130 · source: vendor, NVD, CISA
FE
Firefox ESR · Mozilla
before 128.2 · source: vendor, NVD, CISA
TH
Thunderbird · Mozilla
before 128.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-8387
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-8387
Broken Link
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1857607%2C1911858%2C1914009
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-39/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-40/
www.mozilla.org
https://www.mozilla.org/security/advisories/mfsa2024-43/
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