PT-2026-42118 · Netatalk · Netatalk

Arjun Basnet · Published 2026-05-20 · Updated 2026-05-21 · CVE-2026-44050

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Netatalk versions 2.0.0 through 4.4.2

Description A heap-based buffer overflow occurs in the CNID daemon comm rcv() function. This allows a remote authenticated attacker to execute arbitrary code with escalated privileges or cause a denial of service.

Recommendations Update to version 4.4.3.

Fix

DoS

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-44050

Affected Products

Netatalk

References · 11

• https://osv.dev/vulnerability/UBUNTU-CVE-2026-44050 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-44050 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-44050 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-44050 · Vendor Advisory
• https://netatalk.io/security/CVE-2026-44050 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-44050 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44050 · Security Note
• https://twitter.com/oss_security/status/2056952177218785477 · Twitter Post
• https://twitter.com/UpwindMDR/status/2057403027565228242 · Twitter Post
• https://twitter.com/infoflowcloud/status/2057408703129698457 · Twitter Post
• https://twitter.com/CVEnew/status/2057407786598740379 · Twitter Post