# CVE-2026-12932: openvpn: A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4...

CVE-2026-12932 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-12932, released July 4, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-12932
- Priority: High
- CVSS: 8.1 (high)
- EPSS: 0.0042
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 2, 2026

## Description

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | openvpn Debian 12.15 (bookworm) | 2.6.14-0+deb12u2 | [DEBIAN-CVE-2026-12932](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12932.md) | Jul 4, 2026 |
| Linux | openvpn Debian 13.5 (trixie) | 2.6.14-1+deb13u3 | [DEBIAN-CVE-2026-12932](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12932.md) | Jul 4, 2026 |
| Linux | openvpn Debian 14 | 2.7.5-1 | [DEBIAN-CVE-2026-12932](https://patchblox.com/security/data/fix/linux/debian-cve-2026-12932.md) | Jul 4, 2026 |
| Linux | openvpn Ubuntu 22.04.1 LTS (jammy) | 2.5.11-0ubuntu0.22.04.4 | [openvpn 2.5.11-0ubuntu0.22.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-openvpn-2.5.11-0ubuntu0.22.04.4.md) | Jul 18, 2026 |
| Linux | openvpn Ubuntu 24.04.5 LTS (noble) | 2.6.19-0ubuntu0.24.04.3 | [openvpn 2.6.19-0ubuntu0.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-openvpn-2.6.19-0ubuntu0.24.04.3.md) | Jul 18, 2026 |
| Linux | openvpn Ubuntu 26.04.1 LTS (resolute) | 2.7.0-1ubuntu1.2 | [openvpn 2.7.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-openvpn-2.7.0-1ubuntu1.2.md) | Jul 6, 2026 |
| Linux | openvpn amzn 2023 | 2.6.12-1.amzn2023.0.7 | [ALAS2023-2026-2038](https://patchblox.com/security/data/fix/linux/alas2023-2026-2038.md) | Aug 3, 2026 |
| Linux | openvpn opensuse-leap 16.0 | 2.6.10-160000.5.1 | [OPENSUSE-SU-2026:22072-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22072-1.md) | Nov 7, 2026 |
| Linux | openvpn sles 15.6 | 2.6.10-150600.3.26.1 | [SUSE-SU-2026:3596-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3596-1.md) | Aug 12, 2026 |
| Linux | openvpn sles 15.7 | 2.6.10-150600.3.26.1 | [SUSE-SU-2026:3596-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3596-1.md) | Aug 12, 2026 |
| Linux | openvpn sles 16.0 | 2.6.10-160000.5.1 | [SUSE-SU-2026:24220-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24220-1.md) | Nov 7, 2026 |
| Linux | openvpn-dco sles 15.6 | 2.6.10-150600.3.26.1 | [SUSE-SU-2026:3596-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3596-1.md) | Aug 12, 2026 |
| Linux | openvpn-dco sles 15.7 | 2.6.10-150600.3.26.1 | [SUSE-SU-2026:3596-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3596-1.md) | Aug 12, 2026 |
| Linux | openvpn-debuginfo amzn 2023 | 2.6.12-1.amzn2023.0.7 | [ALAS2023-2026-2038](https://patchblox.com/security/data/fix/linux/alas2023-2026-2038.md) | Aug 3, 2026 |
| Linux | openvpn-debugsource amzn 2023 | 2.6.12-1.amzn2023.0.7 | [ALAS2023-2026-2038](https://patchblox.com/security/data/fix/linux/alas2023-2026-2038.md) | Aug 3, 2026 |
| Linux | openvpn-devel amzn 2023 | 2.6.12-1.amzn2023.0.7 | [ALAS2023-2026-2038](https://patchblox.com/security/data/fix/linux/alas2023-2026-2038.md) | Aug 3, 2026 |

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Data as of 2026-11-08T00:53:09Z 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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