What is CVE-2026-7836?

CVE-2026-7836 is a low-severity vulnerability in Netatalk, classified under Incorrect Calculation. CVSS score: 3.1/10. Published 2026-05-21.

How severe is CVE-2026-7836?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Netatalk

CVE-2026-7836

An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.

EPSS: 0.000 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Netatalk — versions 2.0.0, 4.5.0

Weakness classification (CWE)

CWE-682 — Incorrect Calculation

References

33c584b5-0579-4c06-b2a0-8d8329fcab9c (vendor-advisory)

Frequently asked questions

What is CVE-2026-7836?: CVE-2026-7836 is a low-severity vulnerability in Netatalk, classified under Incorrect Calculation. CVSS score: 3.1/10. Published 2026-05-21.
How severe is CVE-2026-7836?: Low severity. CVSS v3 base score is 3.1 out of 10.