CVE-2022-39236

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to a data corruption issue

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.1

Review impact separately from score.

Published · September 28, 2022

Updated · November 22, 2025

Description

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to a data corruption issue. An attacker could potentially cause data integrity issues by sending specially crafted messages.

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 3.1 · 4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-20 · Improper Input Validation