# CVE-2024-5594: openvpn: OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly whichan attacker controlling the server can use t...

CVE-2024-5594 is fixed in 2 products on 1 platform, first by openvpn 2.4.4-2ubuntu1.7+esm1, released June 24, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-5594
- Priority: High
- CVSS: 9.1 (Medium)
- EPSS: 0.0082
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 24, 2024

## Description

OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly whichan attacker controlling the server can use to inject unexpected arbitrarydata ending up in client logs.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | openvpn Debian 12.15 (bookworm) | 2.6.3-1+deb12u3 | [DEBIAN-CVE-2024-5594](https://patchblox.com/security/data/fix/linux/debian-cve-2024-5594.md) | Jan 6, 2025 |
| Linux | openvpn Debian 13.5 (trixie) | 2.6.11-1 | [DEBIAN-CVE-2024-5594](https://patchblox.com/security/data/fix/linux/debian-cve-2024-5594.md) | Jan 6, 2025 |
| Linux | openvpn Debian 14 | 2.6.11-1 | [DEBIAN-CVE-2024-5594](https://patchblox.com/security/data/fix/linux/debian-cve-2024-5594.md) | Jan 6, 2025 |
| Linux | openvpn Ubuntu 18.04.6 LTS (bionic) | 2.4.4-2ubuntu1.7+esm1 | [openvpn 2.4.4-2ubuntu1.7+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-openvpn-2.4.4-2ubuntu1.7-esm1.md) | Jun 24, 2024 |
| Linux | openvpn Ubuntu 20.04 LTS (focal) | 2.4.12-0ubuntu0.20.04.2 | [openvpn 2.4.12-0ubuntu0.20.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-openvpn-2.4.12-0ubuntu0.20.04.2.md) | Jun 24, 2024 |
| Linux | openvpn Ubuntu 22.04.1 LTS (jammy) | 2.5.9-0ubuntu0.22.04.3 | [openvpn 2.5.9-0ubuntu0.22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvpn-2.5.9-0ubuntu0.22.04.3.md) | Jun 24, 2024 |
| Linux | openvpn Ubuntu 24.04.5 LTS (noble) | 2.6.9-1ubuntu4.1 | [openvpn 2.6.9-1ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-openvpn-2.6.9-1ubuntu4.1.md) | Jun 24, 2024 |
| Linux | openvpn Ubuntu 24.10 (oracular) | 2.6.11-1ubuntu1 | [openvpn 2.6.11-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-openvpn-2.6.11-1ubuntu1.md) | Jun 25, 2024 |
| Linux | openvpn opensuse-leap 15.6 | 2.6.8-150600.3.14.1 | [SUSE-SU-2025:0278-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0278-1.md) | Jan 28, 2025 |
| Linux | openvpn sles 15.6 | 2.6.8-150600.3.14.1 | [SUSE-SU-2025:0278-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0278-1.md) | Jan 28, 2025 |
| Linux | openvpn-dco opensuse-leap 15.6 | 2.6.8-150600.3.14.1 | [SUSE-SU-2025:0278-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0278-1.md) | Jan 28, 2025 |
| Linux | openvpn-dco sles 15.6 | 2.6.8-150600.3.14.1 | [SUSE-SU-2025:0278-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0278-1.md) | Jan 28, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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