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Ubuntu Netatalk Significant Denial Of Service SQL Injection CVE-2026-44047

ubuntu
Calendar Grey June 9, 2026
Dist Ubuntu Esm H88
Numerous security issues found in Netatalk affect multiple Ubuntu LTS releases. Immediate updates are required to fix vulnerabilities.
Several security issues were fixed in Netatalk.

Summary

Several security issues were fixed in Netatalk.

Software Description:

- netatalk: Apple Filing Protocol service

Details:

Arjun Basnet discovered that Netatalk incorrectly sanitized user input in

its MySQL CNID backend. A remote authenticated attacker could possibly

use this issue to conduct SQL injection attacks. (CVE-2026-44047)

Arjun Basnet discovered that Netatalk incorrectly handled UCS-2 character

set conversion. A remote authenticated attacker could possibly use this

issue to cause a denial of service or execute arbitrary code.

(CVE-2026-44048)

Arjun Basnet discovered that Netatalk improperly handled null termination

during character set conversion. A remote authenticated attacker could

possibly use this issue to cause a denial of service or execute arbitrary

code. (CVE-2026-44049)

Arjun Basnet discovered that the Netatalk CNID daemon improperly handled

request-supplied name lengths. A local attacker could possibly use this

issue to cause a denial of service or execute ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service SQL Injection remote code execution important netatalk

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-2.1ubuntu0.1

Ubuntu 24.04 LTS
  netatalk                        3.1.18~ds-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  netatalk                        3.1.12~ds-9ubuntu0.22.04.4+esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  netatalk                        3.1.12~ds-4ubuntu0.20.04.4+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  netatalk                        2.2.6-1ubuntu0.18.04.2+esm3
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  netatalk                        2.2.5-1ubuntu0.2+esm3
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  netatalk                        2.2.2-1ubuntu2.2+esm3
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8395-1

CVE-2026-44047, CVE-2026-44048, CVE-2026-44049, CVE-2026-44050,

CVE-2026-44051, CVE-2026-44052, CVE-2026-44055, CVE-2026-44060,

CVE-2026-44062, CVE-2026-44064

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8395-1

Topics%20covered

Topics Covered

security advisory denial of service SQL Injection remote code execution important netatalk

Package Information

https://launchpad.net/ubuntu/+source/netatalk/4.2.3~ds-2.1ubuntu0.1

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