vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-7837

TOCTOU with root privilege in ad_flush

LOW
3.7
CVSS Score
Published: May 21, 2026 at 08:14 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorNetatalk

Using Netatalk by Netatalk?

Get instant alerts when new vulnerabilities affect Netatalk - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
LOW3.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netatalk· Netatalk
60%
3.0.0 ≤ v ≤ 4.4.23.0.0
Vendor states this is fixed in 4.5.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://netatalk.io/security/CVE-2026-7837

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWsecurin
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-367

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card