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CVE-2022-40960

Date: December 22, 2022

Concurrent use of the URL parser with non-UTF-8 data was not thread-safe. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Severity Score

Related Resources (9)

https://www.mozilla.org/security/advisories/mfsa2022-42/
https://www.mozilla.org/security/advisories/mfsa2022-41/
https://www.mozilla.org/security/advisories/mfsa2022-40/
https://access.redhat.com/security/cve/CVE-2022-40960
https://security-tracker.debian.org/tracker/CVE-2022-40960
https://bugzilla.mozilla.org/show_bug.cgi?id=1787633
https://nvd.nist.gov/vuln/detail/CVE-2022-40960
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-40960
https://www.mend.io/vulnerability-database/CVE-2022-40960

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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