CVE-2026-7836
Received Received - Intake
Hextoint Macro Uppercase Bug in Netatalk

Publication date: 2026-05-21

Last updated on: 2026-05-21

Assigner: securin

Description
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.
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Meta Information
Published
2026-05-21
Last Modified
2026-05-21
Generated
2026-05-21
AI Q&A
2026-05-21
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
netatalk netatalk From 2.0.0 (inc) to 4.4.2 (inc)
netatalk netatalk 4.5.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-682 The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a bug in the hextoint macro in Netatalk versions 2.0.0 through 4.4.2. It is related to uppercase handling in the macro. The issue was fixed in version 4.5.0.


How can this vulnerability impact me? :

The vulnerability has a CVSS v3.1 base score of 3.1, indicating a low severity impact. It requires network access with high attack complexity and low privileges, and it does not require user interaction. The impact is limited to integrity loss, with no confidentiality or availability impact.


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability, upgrade Netatalk to version 4.5.0 or later, where the hextoint macro uppercase bug is fixed.


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0/70
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