VULNERABILITY INTELLIGENCE
CVE-2017-7521
CVSS score5.9 MEDIUM
EPSS probability3.85%
CISA KEVNot currently listed
Published2017-06-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().
Weakness classification
- secalert@redhat.com: CWE-400
- nvd@nist.gov: CWE-415
Primary references
- secalert@redhat.com
- secalert@redhat.com — Third Party Advisory, VDB Entry
- secalert@redhat.com
- secalert@redhat.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory