Description
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.311663
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.311663
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.585751
Exploit, Issue Tracking, Patch issue-tracking
https://github.com/RocketChat/Rocket.Chat/pull/35711
Scores
CVSS v3
4.3
EPSS
0.0050
EPSS Percentile
38.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1333
CWE-400
Status
published
Products (1)
rocket.chat/rocket.chat
< 7.6.1
Published
Jun 09, 2025
Tracked Since
Feb 18, 2026