CVE-2026-95209 Denial of service in n/a
A flaw in GnuTLS causes legitimate CA certificates to be rejected, resulting in a Denial of Service condition for applications relying on the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-95209?
CVE-2026-95209 is a medium-severity denial of service vulnerability in n/a, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in gnutls v3.8.13 causes legitimate CA certificates to be rejected, leading to a Denial of Service (DoS).
Weakness: CWE-400
Which versions are affected by CVE-2026-95209?
How do I fix CVE-2026-95209?
No fix has been published for CVE-2026-95209 yet. Limit exposure of the affected software until one is available.
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-2026-95209 being exploited?
There is no known exploitation of CVE-2026-95209 in the wild and no public exploit code.
Sources
Also known as AZL-107439, BELL-CVE-2026-95209, DEBIAN-CVE-2026-95209, ECHO-8657-ece1-8e5f, GHSA-8fv7-xp4r-4x4q, UBUNTU-CVE-2026-95209.