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.
Published: 2026-05-21
Score: 9.9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-62801 netatalk security update
History

Thu, 21 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Thu, 21 May 2026 10:15:00 +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 2.0.0 through 4.4.2, heap buffer overflow in cnid daemon comm_rcv(). Fixed in 4.4.3. 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.

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

Type Values Removed Values Added
Description In Netatalk 2.0.0 through 4.4.2, heap buffer overflow in cnid daemon comm_rcv(). Fixed in 4.4.3.
Title Heap buffer overflow in CNID daemon comm_rcv()
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


Subscriptions

Netatalk Netatalk
cve-icon MITRE

Status: PUBLISHED

Assigner: securin

Published:

Updated: 2026-05-22T03:56:03.551Z

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

Link: CVE-2026-44050

cve-icon Vulnrichment

Updated: 2026-05-21T12:42:40.814Z

cve-icon NVD

Status : Deferred

Published: 2026-05-21T08:16:20.580

Modified: 2026-06-17T10:50:13.393

Link: CVE-2026-44050

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-21T10:30:08Z

Weaknesses