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CVE-2022-1802

Date: December 22, 2022

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

Severity Score

Related Resources (8)

https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
https://security-tracker.debian.org/tracker/CVE-2022-1802
https://nvd.nist.gov/vuln/detail/CVE-2022-1802
https://www.mozilla.org/security/advisories/mfsa2022-19/
https://access.redhat.com/security/cve/CVE-2022-1802
https://security.alpinelinux.org/vuln/CVE-2022-1802
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1802
https://www.mend.io/vulnerability-database/CVE-2022-1802

Severity Score

Weakness Type (CWE)

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

CVSS v3

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

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