SB2019083049 - Fedora 31 update for irssi



SB2019083049 - Fedora 31 update for irssi

Published: August 30, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019083049
CSH 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 vulnerability.


1) Use-after-free (CVE-ID: CVE-2019-15717)

CWE-ID: CWE-416 - Use After Free

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


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing responses from IRC server with a double CAP. A remote attacker can trick the victim to connect to a malicious IRC server, trigger use-after-free error and execute arbitrary code on the target system..

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install update from vendor's website.