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UnratedFix available

Security update for openvpn

Type: advisorySources: OSV

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). - CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field (bsc#1275310). - CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).

Products
openvpn
Affected versions
Not specified
Fixed versions
2.6.10-160000.5.1
CVEs
CVE-2026-11771, CVE-2026-12932, CVE-2026-12996, CVE-2026-13117, CVE-2026-13379, CVE-2026-35058, CVE-2026-40215, CVE-2026-63650, CVE-2026-84732
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 15:32 UTC · Revision 1

Source evidence

Security update for openvpn

core-osv · Original source

Published 9 Oct 2026, 12:13 UTC

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). - CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field (bsc#1275310). - CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).

osv:SUSE-SU-2026:24220-1

openvpn

Fixed versions: 2.6.10-160000.5.1

openvpn

Fixed versions: 2.6.10-160000.5.1

Complete source record
{
  "id": "c782a4fffd90229ffa11f87c14129a0b1626df318c3a468da5f63df208999bd2",
  "url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24220-1",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security update for openvpn",
    "summary": "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). - CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field (bsc#1275310). - CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).",
    "evidence": "osv:SUSE-SU-2026:24220-1",
    "products": [
      {
        "name": {
          "value": "openvpn",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.10-160000.5.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openvpn",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.6.10-160000.5.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "SUSE-SU-2026:24220-1",
      "aliases": [
        "SUSE-SU-2026:24220-1"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.10-160000.5.1"
                }
              ]
            }
          ],
          "package": {
            "name": "openvpn",
            "purl": "pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24220-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "openvpn": "2.6.10-160000.5.1",
                "openvpn-devel": "2.6.10-160000.5.1",
                "openvpn-auth-pam-plugin": "2.6.10-160000.5.1",
                "openvpn-down-root-plugin": "2.6.10-160000.5.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.6.10-160000.5.1"
                }
              ]
            }
          ],
          "package": {
            "name": "openvpn",
            "purl": "pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
            "ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
          },
          "database_specific": {
            "source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24220-1.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "openvpn": "2.6.10-160000.5.1",
                "openvpn-devel": "2.6.10-160000.5.1",
                "openvpn-auth-pam-plugin": "2.6.10-160000.5.1",
                "openvpn-down-root-plugin": "2.6.10-160000.5.1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-21T17:23:14.847518378Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-11771",
        "CVE-2026-12932",
        "CVE-2026-12996",
        "CVE-2026-13117",
        "CVE-2026-13379",
        "CVE-2026-35058",
        "CVE-2026-40215",
        "CVE-2026-63650",
        "CVE-2026-84732"
      ],
      "references": [
        "https://www.suse.com/support/update/announcement/2026/suse-su-202624220-1/",
        "https://bugzilla.suse.com/1267944",
        "https://bugzilla.suse.com/1267945",
        "https://bugzilla.suse.com/1273126",
        "https://bugzilla.suse.com/1273127",
        "https://bugzilla.suse.com/1273128",
        "https://bugzilla.suse.com/1273129",
        "https://bugzilla.suse.com/1273130",
        "https://bugzilla.suse.com/1275310",
        "https://bugzilla.suse.com/1279613",
        "https://www.suse.com/security/cve/CVE-2026-11771",
        "https://www.suse.com/security/cve/CVE-2026-12932",
        "https://www.suse.com/security/cve/CVE-2026-12996",
        "https://www.suse.com/security/cve/CVE-2026-13117",
        "https://www.suse.com/security/cve/CVE-2026-13379",
        "https://www.suse.com/security/cve/CVE-2026-35058",
        "https://www.suse.com/security/cve/CVE-2026-40215",
        "https://www.suse.com/security/cve/CVE-2026-63650",
        "https://www.suse.com/security/cve/CVE-2026-84732"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-11771",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-12932",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-12996",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-13117",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-13379",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-35058",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-40215",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-63650",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-84732",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 397578,
  "published_at": "2026-10-09T12:13:13+00:00"
}