CVE-2018-7053

Publication date 15 February 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when SASL messages are received in an unexpected order.

Read the notes from the security team

Status

Package Ubuntu Release Status
irssi 17.10 artful
Fixed 1.0.4-1ubuntu2.3
16.04 LTS xenial
Fixed 0.8.19-1ubuntu1.7
14.04 LTS trusty Not in release

Notes

leosilva

from debian, vulnerable code was introduced in 0.8.18 trusty is not-affected.

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

References

Related Ubuntu Security Notices (USN)

Other references