CVE-2022-34484

Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11

Published Dec 22, 2022 CVSS 3.1 · 8.8 High EPSS 1.0% KEV · Not listed
Description
The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3064-1 firefox-esr security update
Debian DSA Debian DSA DSA-5172-1 firefox-esr security update
Debian DSA Debian DSA DSA-5175-1 thunderbird security update
EUVD EUVD EUVD-2022-37439 The Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Ubuntu USN Ubuntu USN USN-5504-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5512-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 15, 2025, 5:42 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
Important
Public date
Jun 28, 2022, 12:00 AM