CVE-2024-38439 Memory corruption in n/a

Critical 9.8 Published 16 Jun 2024 Updated 3 Nov 2025

An off-by-one error in Netatalk allows heap-based buffer overflow, potentially leading to code execution or denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2024-38439?

CVE-2024-38439 is a critical memory corruption vulnerability in n/a, published on 16 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Netatalk before 3.2.1 has an off-by-one error and resultant heap-based buffer overflow because of setting ibuf[PASSWDLEN] to '\0' in FPLoginExt in login in etc/uams/uams_pam.c. 2.4.1 and 3.1.19 are also fixed versions.

Weakness: CWE-787

Which versions are affected by CVE-2024-38439?

It affects 1 product.

Products include Netatalk Netatalk.

How do I fix CVE-2024-38439?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-38439 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-38439 exists.

Sources

Also known as DEBIAN-CVE-2024-38439, GHSA-8r68-857c-4rqc, GHSA-pcmr-ff73-xcj5, UBUNTU-CVE-2024-38439.