NULL Pointer Dereference Affecting openvpn package, versions <2.4.3-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-OPENVPN-18860387
- published16 Aug 2026
- disclosed27 Jun 2017
Introduced: 27 Jun 2017
CVE-2017-7522 (opens in a new tab)How to fix?
Upgrade Echo:latest openvpn to version 2.4.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvpn package and not the openvpn package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.