CVE-2026-7836

LOW 3.1

hextoint macro uppercase bug

CVSS Score

3.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-682
Vendor	netatalk
Product	netatalk
Published	May 21, 2026
Last Updated	May 21, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Netatalk / Netatalk

2.0.0 ≤ 4.4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

netatalk.io: https://netatalk.io/security/CVE-2026-7836

Credits

Arjun Basnet from Securin