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CVE-2017-15227

Publication date 22 October 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.

Status

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

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