| Name | CVE-2026-67693 |
| Description | 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 | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gnutls28 (PTS) | bookworm, bookworm (security) | 3.7.9-2+deb12u7 | vulnerable |
| trixie (security), trixie | 3.8.9-3+deb13u4 | vulnerable |
| forky, sid | 3.8.13-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gnutls28 | source | (unstable) | (unfixed) | | | |
Notes
check if https://gist.github.com/lkloliver/6fbfc191bc6163942c8017551ac3f238 reported upstream, valid?