Critical severity · published Dec 22, 2022
CVE-2022-31748
Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
Mozilla developers Gabriele Svelto, Timothy Nikkel, Randell Jesup, Jon Coppeard, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 100. 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 < 101.
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)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 101 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31748
Broken Link
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1713773%2C1762201%2C1762469%2C1762770%2C1764878%2C1765226%2C1765782%2C1765973%2C1767177%2C1767181%2C1768232%2C1768251%2C1769869
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-20/
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