CVE-2016-7045

Publication date 21 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The format_send_to_gui function in the format parsing code in Irssi before 0.8.20 allows remote attackers to cause a denial of service (heap corruption and crash) via vectors involving the length of a string.

From the Ubuntu Security Team

Gabriel Campana and Adrien Guinet discovered that a buffer overflow existed in the format parsing code in Irssi. A remote attacker could use this to cause a denial of service (application crash).

Read the notes from the security team

Status

Show unmaintained releases

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

introduce 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	Upstream: 295a4b7

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