Critical severity · published Sep 3, 2024
CVE-2024-8385
A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. 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 47% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-8385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-8385
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1911909
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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