Critical severity · published Dec 22, 2022
CVE-2022-34470
Session history navigations may have led to a use-after-free and potentially exploitable crash
9.8
CVSS
1.1%
EPSS
No
On KEV
Description
Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
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)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 102.0 · source: NVD
FE
Firefox Esr · Mozilla
before 91.11 · source: NVD
TH
Thunderbird · Mozilla
before 91.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-34470
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-34470
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1765951
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-26/
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