CVE-2025-65409 Denial of service in n/a
Attackers can cause a Denial of Service in GNU Recutils by providing an empty password, triggering a divide-by-zero error in encryption routines.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-65409?
CVE-2025-65409 is a high-severity denial of service vulnerability in n/a, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A divide-by-zero in the encryption/decryption routines of GNU Recutils v1.9 allows attackers to cause a Denial of Service (DoS) via inputting an empty value as a password.
Weakness: CWE-369
Which versions are affected by CVE-2025-65409?
It affects 1 product.
Linux distribution packages (1)
gnu-recutils openSUSE:Tumbleweed | All versions | 1.9-3.1 |
Products include Gnu Recutils.
How do I fix CVE-2025-65409?
Apply the vendor's patch.
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-2025-65409 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65409 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2025-65409, GHSA-f643-8m38-xc64, UBUNTU-CVE-2025-65409, openSUSE-SU-2026:10000-1.