CVE-2026-7836

LOW

Netatalk 2.0.0-4.4.2 - Authenticated Limited Data Modification via Hexadecimal Input

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

Netatalk Security Advisory CVE-2026-7836

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

Scores

CVSS v3 3.1

EPSS 0.0019

EPSS Percentile 8.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-682

Status published

Products (2)

Netatalk/Netatalk 2.0.0 - 4.4.2

Netatalk/Netatalk 4.5.0

Published May 21, 2026

Tracked Since May 21, 2026