CVE-2022-36059
Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · August 31, 2022
Updated · November 22, 2025
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of Thunderbird users who use the Matrix chat protocol being vulnerable to a denial of service attack. An adversary sharing a room with a user could attack affected clients, making it not show all of a user's rooms or spaces and causing minor temporary corruption.
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 · 6.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-440 · Expected Behavior Violation