CVE-2026-44050

Heap buffer overflow in CNID daemon comm_rcv()

Published May 21, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-62801 netatalk security update
Ubuntu USN Ubuntu USN USN-8395-1 Netatalk vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

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

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

Weaknesses

Sources

Status
PUBLISHED
Assigner
securin
Published
Updated
May 22, 2026, 3:56 AM
Reserved
May 5, 2026, 7:24 AM
Status
Deferred
Published
May 21, 2026, 8:16 AM
Modified
Jul 23, 2026, 3:10 PM