CVE-2026-44050

CRITICAL

Netatalk 2.0.0-4.4.2 - Authenticated Heap-based Buffer Overflow in CNID Daemon comm_rcv()

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

Netatalk Security Advisory CVE-2026-44050

https://netatalk.io/security/CVE-2026-44050

Scores

CVSS v3 9.9

EPSS 0.0042

EPSS Percentile 33.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-122

Status published

Products (2)

Netatalk/Netatalk 2.0.0 - 4.4.2

Netatalk/Netatalk 4.4.3

Published May 21, 2026

Tracked Since May 21, 2026