Vulnerability Database

309,364

Total vulnerabilities in the database

CVE-2023-28356

A vulnerability has been identified where a maliciously crafted message containing a specific chain of characters can cause the chat to enter a hot loop on one of the processes, consuming ~120% CPU and rendering the service unresponsive.

  • Published: May 11, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-28356
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
rocket.chat / rocket.chat - 6.0.0