CVE-2026-88964 Affecting openvpn package, versions <2.7.8-1
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-DEBIANUNSTABLE-OPENVPN-20572020
- published8 Oct 2026
- disclosed13 Oct 2026
Introduced: 8 Oct 2026
NewCVE-2026-88964 (opens in a new tab)How to fix?
Upgrade Debian:unstable openvpn to version 2.7.8-1 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 Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An integer underflow in OpenVPN version 2.7_alpha3 through 2.7.7 on Windows and Android allows remote authenticated servers to cause a denial of service or memory disclosure via crafted domain search options