CVE-2026-7836 | THREATINT

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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-21 | Updated 2026-05-21 | Assigner securin

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

Problem types

Incorrect Calculation

Product status

Default status

unaffected

2.0.0 (semver)

affected

4.5.0 (semver)

unaffected

Credits

Arjun Basnet from Securin finder

References

netatalk.io/security/CVE-2026-7836 (Netatalk Security Advisory CVE-2026-7836) vendor-advisory

cve.org (CVE-2026-7836)

nvd.nist.gov (CVE-2026-7836)

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