========================================================================== Ubuntu Security Notice USN-8455-1 June 22, 2026
netatalk vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 26.04 LTS
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in Netatalk.
Software Description:
- 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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 26.04 LTS
netatalk 4.2.3~ds-2.1ubuntu0.2
Ubuntu 24.04 LTS
netatalk 3.1.18~ds-1ubuntu0.1~esm3
Available with Ubuntu Pro
Ubuntu 22.04 LTS
netatalk 3.1.12~ds-9ubuntu0.22.04.4+esm2
Available with Ubuntu Pro
Ubuntu 20.04 LTS
netatalk 3.1.12~ds-4ubuntu0.20.04.4+esm2
Available with Ubuntu Pro
Ubuntu 18.04 LTS
netatalk 2.2.6-1ubuntu0.18.04.2+esm4
Available with Ubuntu Pro
Ubuntu 16.04 LTS
netatalk 2.2.5-1ubuntu0.2+esm4
Available with Ubuntu Pro
Ubuntu 14.04 LTS
netatalk 2.2.2-1ubuntu2.2+esm4
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8455-1
CVE-2026-44066, CVE-2026-44068
Package Information:
https://launchpad.net/ubuntu/+source/netatalk/4.2.3~ds-2.1ubuntu0.2
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