CVE-2026-7836: Netatalk

Low severity, CVSS 3.1. EPSS: 0.3% chance of exploitation in the next 30 days.

An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.

Affected products

• Netatalk Netatalk: from 2.0.0, up to and including 4.4.2

Published 2026-05-21. Last modified 2026-07-23.