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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : Netatalk vulnerabilities (USN-8395-1)

critical Nessus Plugin ID 320405

Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8395-1 advisory.

 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 arbitrary code with escalated privileges. (CVE-2026-44050)

 Arjun Basnet discovered that Netatalk improperly resolved symbolic links. A remote authenticated attacker could possibly use this issue to read or overwrite arbitrary files on the system. (CVE-2026-44051)

 Arjun Basnet discovered that Netatalk incorrectly handled logging when performing LDAP simple-bind operations. A local attacker could possibly use this issue to obtain sensitive information.
 (CVE-2026-44052)

 Arjun Basnet discovered that Netatalk contained an operator precedence logic error when processing input.
 A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44055)

 Arjun Basnet discovered that Netatalk incorrectly handled DSI write requests. A remote unauthenticated attacker could possibly use this issue to cause a denial of service. (CVE-2026-44060)

 Arjun Basnet discovered that Netatalk incorrectly validated output lengths when converting character sets.
 A remote authenticated attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-44062)

 Arjun Basnet discovered that Netatalk incorrectly handled length validation when parsing certain session identifiers. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-44064)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

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

Plugin Details

Severity: Critical

ID: 320405

File Name: ubuntu_USN-8395-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/11/2026

Updated: 6/11/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-44050

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libatalk-dev, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:netatalk-tests, p-cpe:/a:canonical:ubuntu_linux:papd, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:netatalk-tools, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:macipgw, p-cpe:/a:canonical:ubuntu_linux:netatalk, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:a2boot, p-cpe:/a:canonical:ubuntu_linux:atalkd, p-cpe:/a:canonical:ubuntu_linux:libatalk, p-cpe:/a:canonical:ubuntu_linux:timelord, cpe:/o:canonical:ubuntu_linux:26.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/8/2026

Vulnerability Publication Date: 5/21/2026

Reference Information

CVE: 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

USN: 8395-1