CVE-2022-22742

Mozilla: Out-of-bounds memory access when inserting text in edit mode

Published Dec 22, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2880-1 firefox-esr security update
Debian DLA Debian DLA DLA-2881-1 thunderbird security update
Debian DSA Debian DSA DSA-5044-1 firefox-esr security update
Debian DSA Debian DSA DSA-5045-1 thunderbird security update
EUVD EUVD EUVD-2022-27885 When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Ubuntu USN Ubuntu USN USN-5229-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5246-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-5248-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 16, 2025, 3:48 PM
Reserved
Jan 7, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:28 AM
Severity
Important
Public date
Jan 11, 2022, 12:00 AM