CVE-2026-7836

hextoint macro uppercase bug

Published May 21, 2026 CVSS 3.1 · 3.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netatalk
Netatalk netatalk
Vendors & Products Netatalk
Netatalk netatalk
Type Values Removed Values Added
Description In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0. 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.
Type Values Removed Values Added
Description In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0.
Title hextoint macro uppercase bug
Weaknesses CWE-682
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
securin
Published
Updated
May 21, 2026, 12:12 PM
Reserved
May 5, 2026, 7:25 AM
Status
Deferred
Published
May 21, 2026, 8:16 AM
Modified
Jul 23, 2026, 4:10 PM