CVE-2026-7837

TOCTOU with root privilege in ad_flush

Published May 21, 2026 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netatalk
Netatalk netatalk
Vendors & Products Netatalk
Netatalk netatalk
Type Values Removed Values Added
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.
Title TOCTOU with root privilege in ad_flush
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
securin
Published
Updated
May 21, 2026, 12:50 PM
Reserved
May 5, 2026, 7:25 AM
Status
Deferred
Published
May 21, 2026, 9:16 AM
Modified
Jul 23, 2026, 4:10 PM