CVE-2026-7836: hextoint macro uppercase bug

Published May 21, 2026
·
Updated

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.

Affected Software

1 affected component
Netatalk Netatalk>=2.0.0<=4.4.2

Event History

May 21, 2026
CVE Published
via MITRE·07:35 AM
Data Sourced
via MITRE·07:35 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-7836?

The severity of CVE-2026-7836 is classified as low with a CVSS score of 3.1.

2

How do I fix CVE-2026-7836?

To fix CVE-2026-7836, upgrade to Netatalk version 4.5.0 or later.

3

What is the nature of CVE-2026-7836?

CVE-2026-7836 is a vulnerability related to a hextoint macro uppercase bug in Netatalk.

4

Which versions of Netatalk are affected by CVE-2026-7836?

Netatalk versions 2.0.0 through 4.4.2 are affected by CVE-2026-7836.

5

When was CVE-2026-7836 published?

CVE-2026-7836 was published on May 21, 2026.

Company

Resources

Contact

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