Critical severity · published Sep 27, 2023
CVE-2023-5172
A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash
9.8
CVSS
1%
EPSS
No
On KEV
Description
A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.
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)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 118 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5172
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5172
Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1852218
security.gentoo.org
https://security.gentoo.org/glsa/202401-10
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-41/
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