USN-8455-1: Netatalk vulnerabilities

Publication date

22 June 2026

Overview

Several security issues were fixed in Netatalk.


Packages

  • netatalk - Apple Filing Protocol service

Details

Arjun Basnet discovered that Netatalk improperly validated inputs when
unmarshalling Spotlight Remote Procedure Call. A remote authenticated
attacker could possibly use this issue to cause a denial of service or
obtain sensitive information. (CVE-2026-44066)

Arjun Basnet discovered that Netatalk improperly sanitized extended
attribute path components. A remote authenticated attacker could possibly
use this issue to perform path traversal attacks and write to arbitrary
files outside the intended metadata directory. (CVE-2026-44068)

Arjun Basnet discovered that Netatalk improperly validated inputs when
unmarshalling Spotlight Remote Procedure Call. A remote authenticated
attacker could possibly use this issue to cause a denial of service or
obtain sensitive information. (CVE-2026-44066)

Arjun Basnet discovered that Netatalk improperly sanitized extended
attribute path components. A remote authenticated attacker could possibly
use this issue to perform path traversal attacks and write to arbitrary
files outside the intended metadata directory. (CVE-2026-44068)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
26.04 LTS resolute netatalk –  4.2.3~ds-2.1ubuntu0.2
24.04 LTS noble netatalk –  3.1.18~ds-1ubuntu0.1~esm3  
22.04 LTS jammy netatalk –  3.1.12~ds-9ubuntu0.22.04.4+esm2  
20.04 LTS focal netatalk –  3.1.12~ds-4ubuntu0.20.04.4+esm2  
18.04 LTS bionic netatalk –  2.2.6-1ubuntu0.18.04.2+esm4  
16.04 LTS xenial netatalk –  2.2.5-1ubuntu0.2+esm4
14.04 LTS trusty netatalk –  2.2.2-1ubuntu2.2+esm4  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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