Description
A stack-based buffer overflow in desktop.c in Netatalk 1.3 through 4.2.2 allows a remote authenticated attacker to cause a denial of service, obtain limited information, or modify limited data.
Published: 2026-05-21
Score: 6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A stack-based buffer overflow exists in the desktop.c file of Netatalk versions 1.3 through 4.2.2. A remote attacker who has authenticated to the AFP server can trigger the overflow, potentially leading to denial of service, limited information disclosure, or limited data modification. The weakness is classified as CWE‑121.

Affected Systems

Affected versions are Netatalk 1.3 through 4.2.2. No information about a fixed release is present in the official data.

Risk and Exploitability

The CVSS score of 6 indicates moderate risk. The EPSS score is not available, so exploitation likelihood remains unclear. The vulnerability is not listed in CISA KEV. The attack requires an authenticated session with the AFP server; an attacker must have valid credentials and then send a specially crafted request to trigger the overflow. No official patch or workaround is listed, so monitoring and preventive hardening are recommended.

Generated by OpenCVE AI on May 21, 2026 at 11:25 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Limit access to Netatalk servers by blocking untrusted network connections and enforce strict authentication policies.
  • Apply generic stack protection techniques such as stack canaries and address space layout randomization on the host to reduce the impact of any buffer overflows.
  • Continuously monitor Netatalk logs for abnormal activity and consider isolating the service until an official fix is released.

Generated by OpenCVE AI on May 21, 2026 at 11:25 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 21 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 21 May 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Netatalk
Netatalk netatalk
Vendors & Products Netatalk
Netatalk netatalk

Thu, 21 May 2026 09:00:00 +0000

Type Values Removed Values Added
Description In Netatalk 1.3 through 4.2.2, stack buffer overflow in desktop.c. Fixed in 4.5.0. A stack-based buffer overflow in desktop.c in Netatalk 1.3 through 4.2.2 allows a remote authenticated attacker to cause a denial of service, obtain limited information, or modify limited data.

Thu, 21 May 2026 07:45:00 +0000

Type Values Removed Values Added
Description In Netatalk 1.3 through 4.2.2, stack buffer overflow in desktop.c. Fixed in 4.5.0.
Title Stack buffer overflow in desktop.c
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H'}

Subscriptions

Netatalk Netatalk
cve-icon MITRE

Status: PUBLISHED

Assigner: securin

Published:

Updated: 2026-05-21T12:28:08.597Z

Reserved: 2026-05-05T07:24:42.291Z

Link: CVE-2026-44056

cve-icon Vulnrichment

Updated: 2026-05-21T12:28:04.194Z

cve-icon NVD

Status : Deferred

Published: 2026-05-21T08:16:21.247

Modified: 2026-05-21T15:20:19.040

Link: CVE-2026-44056

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-21T11:30:06Z

Weaknesses