CVE-2026-7837

LOW

Netatalk 3.0.0-4.4.2 and >=4.5.0 - Time-of-check Time-of-use Race Condition in ad_flush

Title source: llm

Description

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

Netatalk Security Advisory CVE-2026-7837

https://netatalk.io/security/CVE-2026-7837

Scores

CVSS v3 3.7

EPSS 0.0018

EPSS Percentile 7.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-367

Status published

Products (2)

Netatalk/Netatalk 3.0.0 - 4.4.2

Netatalk/Netatalk 4.5.0

Published May 21, 2026

Tracked Since May 21, 2026