{
  "from_raw": "\"Timothy A. Bish\" <tabish@apache.org>",
  "from": "\"Timothy A. Bish\" <ta...@apache.org>",
  "gravatar": "1903d4f771f40d44895cd75d00cfc5f5",
  "to": "an...@apache.org,\n us...@qpid.apache.org",
  "subject": "CVE-2026-67551: Apache Qpid Proton Dotnet: Type size/count handling can lead to excessive allocation pre-authentication",
  "message-id": "<317e503d-b3ff-bbc2-7a29-03230e4cf02d@apache.org>",
  "mid": "q2gts7xl974f6ob1wqw6zzj0wrqpztbl",
  "permalinks": [
    "q2gts7xl974f6ob1wqw6zzj0wrqpztbl",
    "r9a7241c45be37ff530771cc5ac3a271be1bbd9510a037d9b2a777708@<announce.apache.org>"
  ],
  "dbid": "69c95511ba338727a7da1fe1d736a007971ba604a0760175a757c2d98b306710",
  "cc": "us...@qpid.apache.org",
  "epoch": 1785869020,
  "list": "<announce.apache.org>",
  "list_raw": "<announce.apache.org>",
  "date": "2026/08/04 18:43:40",
  "private": false,
  "references": "",
  "in-reply-to": "",
  "body": "Severity: important \n\nAffected versions:\n\n- Apache Qpid Proton Dotnet (org.apache.qpid) through 1.0.0\n\nDescription:\n\npre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.\n\nThis issue affects Apache Qpid Proton-Dotnet: through 1.0.0.\n\nUsers are recommended to upgrade to version 1.1.0, which fixes the issue.\n\nReferences:\n\nhttps://qpid.apache.org/\nhttps://www.cve.org/CVERecord?id=CVE-2026-67551\n\n",
  "body_short": "Severity: important \n\nAffected versions:\n\n- Apache Qpid Proton Dotnet (org.apache.qpid) through 1.0.0\n\nDescription:\n\npre-authentication attacker could leverage type size/count handling to cause excessi",
  "html_source_only": false,
  "attachments": [],
  "forum": "announce@apache.org",
  "size": 3047,
  "id": "q2gts7xl974f6ob1wqw6zzj0wrqpztbl"
}