High severity · published Jul 9, 2024
CVE-2024-6603
Memory corruption in thread creation
7.4
CVSS
0.5%
EPSS
No
On KEV
Description
In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 128 · source: vendor, NVD, CISA
FE
Firefox ESR · Mozilla
before 115.13 · source: vendor, CISA
TH
Thunderbird · Mozilla
before 115.13; before 128 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-6603
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-6603
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1895081
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-29/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-30/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-31/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-32/
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