High severity · published Oct 1, 2024
CVE-2024-9396
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
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 131 · source: vendor, NVD, CISA
FE
Firefox ESR · Mozilla
before 128.3 · source: vendor, CISA
TH
Thunderbird · Mozilla
before 128.3; before 131 · source: vendor, NVD, CISA