CVE-2018-13796

Publication date 12 July 2018

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
mailman	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Fixed 1:2.1.26-1ubuntu0.1
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Fixed 1:2.1.20-1ubuntu0.4
	14.04 LTS trusty	Not in release

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-4348-1
Mailman vulnerabilities
29 April 2020

Other references