CVE-2026-44049 Out-of-bounds write in convert_charset() null termination
Remote authenticated attackers can execute arbitrary code or cause denial of service via crafted character data in Netatalk.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44049?
CVE-2026-44049 is a high-severity memory corruption vulnerability in Netatalk, published on 21 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An out-of-bounds write due to improper null termination in convert_charset() in Netatalk 2.0.4 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code or cause a denial of service via crafted character data.
Weakness: CWE-787
Which versions are affected by CVE-2026-44049?
How do I fix CVE-2026-44049?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-44049 being exploited?
There is no known exploitation of CVE-2026-44049 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-44049, GHSA-xxpq-7wg8-3p65, UBUNTU-CVE-2026-44049.