CVE-2025-15497 Affecting openvpn package, versions <2.7.0~rc5-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.32% (24th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-OPENVPN-15029766
  • published17 Jan 2026
  • disclosed30 Jan 2026

Introduced: 17 Jan 2026

CVE-2025-15497  (opens in a new tab)

How to fix?

Upgrade Debian:unstable openvpn to version 2.7.0~rc5-1 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.

Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service