{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0236",
  "published": "2026-07-08T16:36:03Z",
  "modified": "2026-07-08T16:00:00Z",
  "summary": "Updated openvpn packages fix security vulnerabilities",
  "details": "The updated packages fix security vulnerabilities:\nPossible 1-byte buffer overrun on NTLMv2 proxy responses.\n(CVE-2026-11771)\nMemory-leak in tls-crypt-v2 client key handling that could lead to\nout-of-memory situations and subsequent server crashes. (CVE-2026-12932)\nUse-after-free bug in ack_write_buf(), triggerable by a well-timed\nsequence of control channel + authentication packets. (CVE-2026-12996)\nUse-after-free bug in tls_wrap_reneg(), triggerable by suitable sequence\nof dynamic tls-crypt control-channel packets. (CVE-2026-13117)\nServer crash on reception of suitably malformed auth-token, if\n--auth-gen-token external-auth is active. (CVE-2026-13122)\nAnother memory leak on reception of suitable tls-crypt-v2 packets that\ncould lead to an out of memory situation and server crash.\n(CVE-2026-13698)\n",
  "upstream": [
    "CVE-2026-11771",
    "CVE-2026-12932",
    "CVE-2026-12996",
    "CVE-2026-13117",
    "CVE-2026-13122",
    "CVE-2026-13698"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0236.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35840"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OpenVPN/openvpn/releases/tag/v2.6.21"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-security-announce/2026/msg00287.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3GB3J43NMV2S6RIUKB3FSX5H6RA4KP7/"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "openvpn",
        "purl": "pkg:rpm/mageia/openvpn?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.21-1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "openvpn",
        "purl": "pkg:rpm/mageia/openvpn?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.21-1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}