High severity · published Dec 22, 2022
CVE-2022-45421
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. 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 ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
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 107.0 · source: NVD
FE
Firefox Esr · Mozilla
before 102.5 · source: NVD
TH
Thunderbird · Mozilla
before 102.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-45421
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45421
Issue Tracking
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1767920%2C1789808%2C1794061
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-47/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-48/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-49/
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