CVE-2017-5334

Description

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 Proxy Certificate Information extension.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.94% Top 10%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory gnutls.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2017/01/10/7 mailing list third party advisory patch
https://access.redhat.com/errata/RHSA-2017:2292 vendor advisory
http://www.securitytracker.com/id/1037576 vdb entry third party advisory
http://www.openwall.com/lists/oss-security/2017/01/11/4 mailing list third party advisory patch
https://gnutls.org/security.html#GNUTLS-SA-2017-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html third party advisory vendor advisory
http://www.securityfocus.com/bid/95370 vdb entry third party advisory
https://security.gentoo.org/glsa/201702-04 third party advisory patch vendor advisory
https://gitlab.com/gnutls/gnutls/commit/c5aaa488a3d6df712dc8dff23a049133cab5ec1b issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-5334?
CVE-2017-5334 has been scored as a critical severity vulnerability.
How to fix CVE-2017-5334?
To fix CVE-2017-5334, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5334 being actively exploited in the wild?
It is possible that CVE-2017-5334 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.