Ubuntu alert USN-8455-1 (netatalk)

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[USN-8455-1] Netatalk vulnerabilities
Date:
             
 
Mon, 22 Jun 2026 10:11:11 +0000
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<E1wbbcV-0006bP-KN@lists.ubuntu.com>
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noreply+usn-bot@canonical.com
==========================================================================
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....


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