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CVE-2022-45406

Date: December 21, 2022

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Language: C++

Severity Score

Related Resources (8)

https://access.redhat.com/security/cve/CVE-2022-45406
https://security-tracker.debian.org/tracker/CVE-2022-45406
https://nvd.nist.gov/vuln/detail/CVE-2022-45406
https://www.mozilla.org/security/advisories/mfsa2022-49/
https://www.mozilla.org/security/advisories/mfsa2022-48/
https://www.mozilla.org/security/advisories/mfsa2022-47/
https://bugzilla.mozilla.org/show_bug.cgi?id=1791975
https://www.mend.io/vulnerability-database/CVE-2022-45406

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

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): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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