CVE-2017-15722

Publication date 22 October 2017

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

In certain cases, Irssi before 1.0.5 may fail to verify that a Safe channel ID is long enough, causing reads beyond the end of the string.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
irssi	17.10 artful	Fixed 1.0.4-1ubuntu2.1
	17.04 zesty	Fixed 0.8.20-2ubuntu2.2
	16.04 LTS xenial	Fixed 0.8.19-1ubuntu1.5
	14.04 LTS trusty	Fixed 0.8.15-5ubuntu3.3

Notes

mdeslaur

same commit as CVE-2017-15227

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
irssi	Upstream: 43e44d5

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-3465-1
Irssi vulnerabilities
26 October 2017

Other references