SB2025051254 - Fedora EPEL 9 update for znc



SB2025051254 - Fedora EPEL 9 update for znc

Published: May 12, 2025

Security Bulletin ID SB2025051254
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2024-39844)

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input in modtcl  when processing the reason to kick a user from the channel. A remote user can pass specially crafted input to the application and execute arbitrary code on the server.


Remediation

Install update from vendor's website.