PT-2026-42442 · Netatalk · Netatalk

Arjun Basnet · Published 2026-05-21 · Updated 2026-05-21 · CVE-2026-7837

Mitre

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

A time-of-check time-of-use (TOCTOU) condition in the ad flush function in Netatalk 3.0.0 through 4.4.2 involves root-privileged file operations, which may allow a remote attacker to cause limited data modification under specific race conditions.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2026-7837

Affected Products

Netatalk

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-7837 · Security Note
• https://netatalk.io/security/CVE-2026-7837 · Vendor Advisory