CVE-2026-67693
ADVISORY - nistSummary
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)
EPSS Score: 0.00192 (0.081)
Common Weakness Enumeration (CWE)
ADVISORY - nist
Time-of-check Time-of-use (TOCTOU) Race Condition
ADVISORY - redhat
Improper Certificate Validation
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-67693
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7.5highDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-67693
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AlowUbuntu
CREATED
UPDATED
ADVISORY IDCVE-2026-67693
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AmediumRed Hat
CREATED
UPDATED
ADVISORY IDCVE-2026-67693
EXPLOITABILITY SCORE
2.2
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)