CVEvulnerability

CVE-2017-7521

5.9 MEDIUM Published 2017-06-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-06-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.9 MEDIUM — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-400, CWE-415, CWE-772

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().

Affected configurations

• openvpn openvpn (<= 2.3.16) • openvpn openvpn 2.4.0 • openvpn openvpn 2.4.1 • openvpn openvpn 2.4.2

Related

Weakness · CWE (3)

  • CWE-400 Uncontrolled Resource Consumption weakness
  • CWE-415 Double Free weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime weakness

References