CVE-2026-7836

low

Published 2026-05-21 · Modified 2026-05-21

CVSS v3

3.1

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

CVSS v2

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VIR risk

3.1

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.

Predictions

Exploit likelihood

42%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-7836

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-7836.html

OS impact

OS	Version	Status
sles		affected
debian	bullseye	affected
debian	forky	affected
debian	sid	affected
debian	trixie	affected

References

https://netatalk.io/security/CVE-2026-7836
https://www.suse.com/security/cve/CVE-2026-7836.html
https://security-tracker.debian.org/tracker/CVE-2026-7836

CWEs

CWE-682

Verify integrity in audit chain (admin only). AS-IS.