High severity · published Dec 22, 2022
CVE-2022-22764
Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96 and Firefox ESR 91.5
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Mozilla developers Paul Adenot and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96 and Firefox ESR 91.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
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)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 97.0 · source: NVD
FE
Firefox Esr · Mozilla
before 91.6 · source: NVD
TH
Thunderbird · Mozilla
before 91.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22764
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22764
Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1742682%2C1744165%2C1746545%2C1748210%2C1748279
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-04/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-06/
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