SB2025061180 - Fedora EPEL 9 update for konsole5



SB2025061180 - Fedora EPEL 9 update for konsole5

Published: June 11, 2025

Security Bulletin ID SB2025061180
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2025-49091)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red


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

The vulnerability exists due to insufficient validation of telnet://URL scheme. A remote attacker can trick the victim into clicking on a specially crafted URL and execute arbitrary console commands on the system with privileges of the current user. 

The vulnerability affects installations without telnet client installed. 


Remediation

Install update from vendor's website.