CVE-2026-95210 Affecting gnutls28 package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2204-GNUTLS28-20888091
- published15 Oct 2026
- disclosed8 Oct 2026
Introduced: 8 Oct 2026
NewCVE-2026-95210 (opens in a new tab)How to fix?
There is no fixed version for Ubuntu:22.04 gnutls28.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnutls28 package and not the gnutls28 package as distributed by Ubuntu.
See How to fix? for Ubuntu:22.04 relevant fixed versions and status.
GnuTLS v3.8.13 does not reject a critical keyUsage extension when it cannot be processed, such as when extnValue is an ASN.1 NULL (05 00) instead of a BIT STRING. NOTE: the Supplier does not consider this an actionable security vulnerability because of its "threat model doesn't consider attacks only possible by modifying anything within the trust boundary (private keys, trusted certificate authorities and their issued certificates including intermediate CAs, etc.)" policy.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-95210
- http://gnutls.com
- https://gist.github.com/lkloliver/4aad23689202720c4068f43b3c6069c7
- https://gitlab.com/gnutls/gnutls/-/blob/e2169a87c7fb91935c2845088204b102baed4c5f/SECURITY.md
- https://gitlab.com/gnutls/gnutls/-/work_items/1965
- https://github.com/lkloliver/poc/tree/main/CVE-2026-95210