CVE-2022-22742
Mozilla: Out-of-bounds memory access when inserting text in edit mode
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · January 11, 2022
Updated · November 21, 2025
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: When inserting text in edit mode, some characters might have led to out-of-bounds memory access, causing a potentially exploitable crash.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')