CVE-2022-1529

Mozilla: Untrusted input used in JavaScript object indexing, leading to prototype pollution

Published Dec 22, 2022 CVSS 3.1 · 8.8 High EPSS 17.6% KEV · Not listed
Description
An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3021-1 firefox-esr security update
Debian DLA Debian DLA DLA-3041-1 thunderbird security update
Debian DSA Debian DSA DSA-5143-1 firefox-esr security update
Debian DSA Debian DSA DSA-5158-1 thunderbird security update
EUVD EUVD EUVD-2022-24827 An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
Ubuntu USN Ubuntu USN USN-5434-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5435-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 16, 2025, 3:19 PM
Reserved
Apr 29, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:22 AM
Severity
Critical
Public date
May 20, 2022, 12:00 AM