Improper Input Validation Affecting openvpn package, versions <2.4.0-5
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-18860382
- published16 Aug 2026
- disclosed15 May 2017
Introduced: 15 May 2017
CVE-2017-7478 (opens in a new tab)How to fix?
Upgrade Echo:latest openvpn to version 2.4.0-5 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 version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.