CVE-2026-7837

low

Published 2026-05-21 · Modified 2026-05-21

CVSS v3

3.7

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

CVSS v2

—

VIR risk

3.7

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.

Predictions

Exploit likelihood

47%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-7837

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-7837.html

OS impact

OS	Version	Status
sles		affected
debian	bullseye	affected
debian	forky	affected
debian	sid	affected
debian	trixie	affected

References

https://netatalk.io/security/CVE-2026-7837
https://www.suse.com/security/cve/CVE-2026-7837.html
https://security-tracker.debian.org/tracker/CVE-2026-7837

CWEs

CWE-367

Verify integrity in audit chain (admin only). AS-IS.