CVE-2017-9468

Publication date 6 June 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.

Status

Package Ubuntu Release Status
irssi 17.04 zesty
Fixed 0.8.20-2ubuntu2.1
16.10 yakkety
Fixed 0.8.19-1ubuntu2.2
16.04 LTS xenial
Fixed 0.8.19-1ubuntu1.4
14.04 LTS trusty
Fixed 0.8.15-5ubuntu3.2

Patch details

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

Package Patch details
irssi

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references