This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-67693 →

DEBIAN-CVE-2026-67693

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a cont...

Original description

The description as published by the source.

An issue in gnutls v.3.8.13 allows an attacker to obtain sensitive information via failing to reject end-entity X.509 certificates that contain a contradictory combination of Key Usage (KU) and Extended Key Usage (EKU)

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 gnutls28

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

advisory security-tracker.debian.org