Resource exhaustion in Rocket.chat
CVE-2025-5892
A vulnerability, which was classified as problematic, has been found in RocketChat up to 7.6.1. This issue affects the function parseMessage of the file /apps/meteor/app/irc/server/servers/RFC2813/parseMessage.js. The manipulation of the argument line leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.005 (40.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Rocket.chat
- N/a Rocketchat — versions 7.6.0, 7.6.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Patch, Issue Tracking)
- cna@vuldb.com (Product, exploit)
Frequently asked questions
- What is CVE-2025-5892?
- CVE-2025-5892 is a medium-severity vulnerability in Rocket.chat, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2025-06-09.
- How severe is CVE-2025-5892?
- Medium severity. CVSS v3 base score is 4.3 out of 10.