Medium severity · published Dec 22, 2022
CVE-2022-45405
Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free and potentially exploitable crash
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
Freeing arbitrary <code>nsIInputStream</code>'s on a different thread than creation could have led to a use-after-free and potentially exploitable crash. 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:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% 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-2022-45405
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-45405
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1791314
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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