Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2016-7044

Publication date 21 September 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.

From the Ubuntu Security Team

Gabriel Campana and Adrien Guinet discovered that the format parsing code in Irssi did not properly verify 24bit color codes. A remote attacker could use this to cause a denial of service (application crash).

Read the notes from the security team

Status

Package Ubuntu Release Status
irssi 16.04 LTS xenial
Fixed 0.8.19-1ubuntu1.2
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected

Notes

sbeattie

introduced in 0.17

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)

    • USN-3086-1
    • Irssi vulnerabilities
    • 21 September 2016

Other references