CVE-2022-34480

firefox: Free of uninitialized pointer in lg_init

Published Dec 22, 2022 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-37435 Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.
Ubuntu USN Ubuntu USN USN-5504-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5506-1 NSS vulnerabilities
Ubuntu USN Ubuntu USN USN-5872-1 NSS vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title firefox: Free of uninitialized pointer in lg_init
References
Metrics threat_severity

None

threat_severity

Low

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 15, 2025, 5:56 PM
Reserved
Jun 24, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:50 AM
Severity
Low
Public date
Jun 28, 2022, 12:00 AM