Double Free in Gnu Gnutls

CVE-2017-5334

Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a…

Vulnerability class: Double Free

EPSS: 0.056 (90.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5334?
CVE-2017-5334 is a critical-severity vulnerability in Gnu Gnutls, classified under Double Free. CVSS score: 9.8/10. Published 2017-03-24.
How severe is CVE-2017-5334?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-5334 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.