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CVE-2025-13086

CVE-2025-13086

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client

CVSS 4.6 · Medium · EPSS 0.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • openvpn

    Versions
    • ≥ 2.6.0, ≤ 2.6.15: Affected (semver)
    • ≥ 2.7_alpha1, ≤ 2.7_rc1: Affected (semver)

    No fix published

  • openvpn Debian:12

    Versions
    • 2.6.3-1
    • 2.6.3-1+deb12u1
    • 2.6.3-1+deb12u1~bpo11+1
    • 2.6.3-1+deb12u2
    • 2.6.3-1+deb12u2~bpo11+1
    • 2.6.3-1+deb12u3
    Affected ranges
    • ECOSYSTEM: < 2.6.3-1+deb12u4

    Update to 2.6.3-1+deb12u4

  • openvpn Debian:13

    Versions
    • 2.6.14-1
    Affected ranges
    • ECOSYSTEM: < 2.6.14-1+deb13u1

    Update to 2.6.14-1+deb13u1

  • openvpn Debian:14

    Versions
    • 2.6.14-1
    • 2.6.14-2
    • 2.6.15-1
    • 2.7.0~alpha1-1
    • 2.7.0~alpha2-1
    • 2.7.0~alpha3-1
    • 2.7.0~beta1-1
    • 2.7.0~beta2-1
    • 2.7.0~beta3-1
    • 2.7.0~rc1-1
    • 2.7.0~rc2-1
    Affected ranges
    • ECOSYSTEM: < 2.7.0~rc2-2

    Update to 2.7.0~rc2-2

  • openvpn Ubuntu:24.04:LTS

    Versions
    • 2.6.5-0ubuntu1
    • 2.6.7-1ubuntu1
    • 2.6.9-1ubuntu2
    • 2.6.9-1ubuntu3
    • 2.6.9-1ubuntu4
    • 2.6.9-1ubuntu4.1
    • 2.6.12-0ubuntu0.24.04.1
    • 2.6.12-0ubuntu0.24.04.3
    • 2.6.14-0ubuntu0.24.04.1
    • 2.6.14-0ubuntu0.24.04.2
    Affected ranges
    • ECOSYSTEM: < 2.6.14-0ubuntu0.24.04.3

    Update to 2.6.14-0ubuntu0.24.04.3

  • openvpn Ubuntu:25.10

    Versions
    • 2.6.13-1ubuntu3
    • 2.6.14-1ubuntu1
    • 2.6.14-2ubuntu1
    Affected ranges
    • ECOSYSTEM: < 2.6.14-2ubuntu1.1

    Update to 2.6.14-2ubuntu1.1

Original sources

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