# CVE-2026-13379: openvpn: This update for openvpn fixes the following issues:  - CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#12...

CVE-2026-13379 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:3596-1, released August 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-13379
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0034
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 12, 2026

## Description

This update for openvpn fixes the following issues:  - CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126). - CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127). - CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128). - CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129). - CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130). - CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945). - CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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 |

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Data as of 2026-11-10T07:50:38Z 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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