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().
Published: 2017-06-27
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3900-1 openvpn security update
EUVD EUVD EUVD-2017-16538 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().
Ubuntu USN Ubuntu USN USN-3339-1 OpenVPN vulnerabilities
History

Wed, 28 May 2025 15:45:00 +0000

Type Values Removed Values Added
References

Thu, 22 May 2025 01:30:00 +0000


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-05T16:04:11.856Z

Reserved: 2017-04-05T00:00:00.000Z

Link: CVE-2017-7521

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-06-27T13:29:00.240

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-7521

cve-icon Redhat

Severity : Important

Publid Date: 2017-06-21T00:00:00Z

Links: CVE-2017-7521 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses