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Status published
Medium
CVE-2017-7521
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to...
Vulnerability 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().
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from OpenVPN Technologies, Inc
View All →CVE-2017-7522
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to...
Medium
6.5
CVE-2017-7520
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to...
High
7.4
CVE-2017-7508
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to...
High
7.5
CVE-2017-7479
OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to...
Medium
6.5
CVE-2017-7478
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial...
High
7.5
Affected Vendor
OpenVPN Technologies, Inc
View all reports →Affected Software
OpenVPN
Vulnerable Versions:
before 2.4.3, before 2.3.17
Timeline
Official Publish:
June 27th, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H