CVE-2026-7835 Format string argument mismatch
A remote authenticated attacker can cause a minor denial of service in Netatalk by exploiting a format string argument mismatch.
- 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-2026-7835?
CVE-2026-7835 is a low-severity denial of service 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
A format string argument mismatch in Netatalk 3.0.3 through 4.4.2 allows a remote authenticated attacker to cause a minor denial of service via crafted input that triggers incorrect format string processing.
Weakness: CWE-134
Which versions are affected by CVE-2026-7835?
How do I fix CVE-2026-7835?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-7835 being exploited?
There is no known exploitation of CVE-2026-7835 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-7835, GHSA-3wp4-f8xr-849x, UBUNTU-CVE-2026-7835.