CVE-2026-44060 PUBLISHED

Integer underflow in dsi_writeinit() leads to denial of service

Assigner: securin
Reserved: 05.05.2026 Published: 21.05.2026 Updated: 21.05.2026

An integer underflow in dsi_writeinit() in Netatalk 1.5.0 through 4.4.2 allows a remote unauthenticated attacker to cause a denial of service via a crafted DSI write request.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Netatalk
Product	Netatalk
Versions	Default: unaffected affected from 1.5.0 to 4.4.2 (incl.) Version 4.4.3 is unaffected

Credits

Arjun Basnet from Securin finder

References

Netatalk Security Advisory CVE-2026-44060

Problem Types

Integer Underflow (Wrap or Wraparound) CWE