Ubuntu USN · USN-8455-1

Netatalk vulnerabilities

Published: Mon, 22 Jun 2026 02:53

CVE-2026-44068CVE-2026-44066

Summary

Several security issues were fixed in Netatalk.

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)

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

netatalk→2.2.6-1ubuntu0.18.04.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.6-1ubuntu0.18.04.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→2.2.6-1ubuntu0.18.04.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.6-1ubuntu0.18.04.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

netatalk→3.1.12~ds-4ubuntu0.20.04.4+esm2apt_upgrade
Standard apt upgrade. Install 3.1.12~ds-4ubuntu0.20.04.4+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→3.1.12~ds-4ubuntu0.20.04.4+esm2apt_upgrade
Standard apt upgrade. Install 3.1.12~ds-4ubuntu0.20.04.4+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu jammy

netatalk→3.1.12~ds-9ubuntu0.22.04.4+esm2apt_upgrade
Standard apt upgrade. Install 3.1.12~ds-9ubuntu0.22.04.4+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→3.1.12~ds-9ubuntu0.22.04.4+esm2apt_upgrade
Standard apt upgrade. Install 3.1.12~ds-9ubuntu0.22.04.4+esm2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu noble

netatalk→3.1.18~ds-1ubuntu0.1~esm3apt_upgrade_esm
Fixed at 3.1.18~ds-1ubuntu0.1~esm3 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk=3.1.18~ds-1ubuntu0.1~esm3
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
netatalk→3.1.18~ds-1ubuntu0.1~esm3apt_upgrade_esm
Fixed at 3.1.18~ds-1ubuntu0.1~esm3 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk=3.1.18~ds-1ubuntu0.1~esm3
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu resolute

netatalk→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
a2boot→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y a2boot
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
atalkd→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y atalkd
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libatalk→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
libatalk-dev→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y libatalk-dev
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
macipgw→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y macipgw
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk-doc→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk-doc
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk-tests→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk-tests
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk-tools→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk-tools
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
papd→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y papd
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
timelord→4.2.3~ds-2.1ubuntu0.2apt_upgrade
Standard apt upgrade. Install 4.2.3~ds-2.1ubuntu0.2 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y timelord
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu trusty

netatalk→2.2.2-1ubuntu2.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.2-1ubuntu2.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→2.2.2-1ubuntu2.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.2-1ubuntu2.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu xenial

netatalk→2.2.5-1ubuntu0.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.5-1ubuntu0.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
netatalk→2.2.5-1ubuntu0.2+esm4apt_upgrade
Standard apt upgrade. Install 2.2.5-1ubuntu0.2+esm4 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y netatalk
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Are YOU affected by USN-8455-1?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8455-1 (and any other live CVE) applies. Anonymous, no signup.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan Read the bash source first

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