CVE-2022-0194: Debian Linux

Critical severity, CVSS 9.8. EPSS: 4.4% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ad_addcomment function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15876.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Netatalk Netatalk: before 3.1.13 (fixed in 3.1.13)

Published 2023-03-28. Last modified 2026-06-17.