osv-2026-750
Vulnerability from osv_ossfuzz
Published
2026-05-16 00:17
Modified
2026-05-16 00:17
Summary
Heap-buffer-overflow in MqttDecode_Props
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513047073

Crash type: Heap-buffer-overflow READ 1
Crash state:
MqttDecode_Props
MqttDecode_Disconnect
MqttClient_DecodePacket
References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "fixed_range": "21b93032a30b73edf648c129f2ca691259d52df3:e1f13765dac64438f4f802532a33153ccb8a74d4",
        "introduced_range": "unknown:d7ac40ba2e1fb3d37590dcbca2aca2b9f142a6d2"
      },
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "wolfmqtt",
        "purl": "pkg:generic/wolfmqtt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "d7ac40ba2e1fb3d37590dcbca2aca2b9f142a6d2"
            },
            {
              "fixed": "e1f13765dac64438f4f802532a33153ccb8a74d4"
            }
          ],
          "repo": "https://github.com/wolfSSL/wolfMQTT.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "v1.10.0",
        "v1.11.0",
        "v1.12.0",
        "v1.13.0",
        "v1.14.0",
        "v1.14.1",
        "v1.15.0",
        "v1.15.1",
        "v1.16.0",
        "v1.17.0",
        "v1.17.1",
        "v1.18.0",
        "v1.19.0",
        "v1.19.1",
        "v1.19.2",
        "v1.20.0",
        "v1.21.0",
        "v1.8",
        "v1.9",
        "v2.0.0"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513047073\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nMqttDecode_Props\nMqttDecode_Disconnect\nMqttClient_DecodePacket\n```\n",
  "id": "OSV-2026-750",
  "modified": "2026-05-16T00:17:37.534631Z",
  "published": "2026-05-16T00:17:37.534349Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513047073"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "Heap-buffer-overflow in MqttDecode_Props"
}


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