CVE-2022-2200

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-1321

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 102
Mozilla	Firefox ESR	>= unspecified, < 91.11
Mozilla	Thunderbird	>= unspecified, < 102; >= unspecified, < 91.11

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1771381Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-26/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1771381Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-24/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-26/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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