vulnerability

Red Hat: CVE-2022-22742: CVE-2022-22742 Mozilla: Out-of-bounds memory access when inserting text in edit mode (Multiple Advisories)

Name: Red Hat: CVE-2022-22742: CVE-2022-22742 Mozilla: Out-of-bounds memory access when inserting text in edit mode (Multiple Advisories)
Creator: Red Hat
Published: 2022-01-12T00:00:00.000Z
Keywords: CVE, CWE-125, Red Hat, 2022, 22742, 22742 Mozilla, redhat-upgrade-firefox, redhat-upgrade-firefox-debuginfo, redhat-upgrade-firefox-debugsource, redhat-upgrade-thunderbird, redhat-upgrade-thunderbird-debuginfo, redhat-upgrade-thunderbird-debugsource, Severity 8

Try Surface Command

Back to search

Severity

CVSS

(AV:N/AC:H/Au:N/C:C/I:C/A:C)

Published

Jan 12, 2022

Added

Jan 14, 2022

Modified

Jun 17, 2026

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.

Solutions

redhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-thunderbirdredhat-upgrade-thunderbird-debuginforedhat-upgrade-thunderbird-debugsource

References

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

Get report