CVE-2022-4055

Publication date 19 November 2022

Last updated 11 July 2025


Ubuntu priority

Cvss 3 Severity Score

7.4 · High

Score breakdown

When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that should not be included per RFC 2368. An attacker can use this method to create a mailto URL that looks safe to users, but will actually attach files when clicked.

Status

Package Ubuntu Release Status
xdg-utils 25.04 plucky
Needs evaluation
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Needs evaluation
23.10 mantic Ignored end of life, was deferred [2024-06-10]
23.04 lunar Ignored end of life, was deferred [2024-06-10]
22.10 kinetic Ignored end of life, was deferred [2024-06-10]
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty Ignored end of standard support

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
xdg-utils

Severity score breakdown

Parameter Value
Base score 7.4 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N