What is CVE-2026-44050?

CVE-2026-44050 is a critical-severity vulnerability in Netatalk, classified under Heap-based Buffer Overflow. CVSS score: 9.9/10. Published 2026-05-21.

How severe is CVE-2026-44050?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Netatalk

CVE-2026-44050

A heap-based buffer overflow in the CNID daemon comm_rcv() function in Netatalk 2.0.0 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Netatalk — versions 2.0.0, 4.4.3

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

33c584b5-0579-4c06-b2a0-8d8329fcab9c (vendor-advisory)

Frequently asked questions

What is CVE-2026-44050?: CVE-2026-44050 is a critical-severity vulnerability in Netatalk, classified under Heap-based Buffer Overflow. CVSS score: 9.9/10. Published 2026-05-21.
How severe is CVE-2026-44050?: Critical severity. CVSS v3 base score is 9.9 out of 10.