{
  "from_raw": "Robbie Gemmell <robbie@apache.org>",
  "from": "Robbie Gemmell <ro...@apache.org>",
  "gravatar": "38e6778b28eb00ba7dd1b66469d62456",
  "to": "an...@apache.org,\n us...@qpid.apache.org",
  "subject": "CVE-2026-66273: Apache Qpid Proton-J: Type size/count handling can lead to excessive allocation pre-authentication",
  "message-id": "<9ddaf4a1-87c6-eee0-af4a-2bd5e00f9bda@apache.org>",
  "mid": "2ms6hcy9wkgs8kj2mh6pgg9hzyklhp60",
  "permalinks": [
    "2ms6hcy9wkgs8kj2mh6pgg9hzyklhp60",
    "r281a1606374a2ba81a1b9823571d3b5d172d58c12d9dbfe07c17f89a@<announce.apache.org>"
  ],
  "dbid": "90e2ddc130019ca0e4aee99a436a696edf173f5a28b3e72601071ac424023152",
  "cc": "us...@qpid.apache.org",
  "epoch": 1785865779,
  "list": "<announce.apache.org>",
  "list_raw": "<announce.apache.org>",
  "date": "2026/08/04 17:49:39",
  "private": false,
  "references": "",
  "in-reply-to": "",
  "body": "Severity: important \n\nAffected versions:\n\n- Apache Qpid Proton-J (org.apache.qpid:proton-j) through 0.34.1\n\nDescription:\n\nA pre-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-J: through 0.34.1.\n\nUsers are recommended to upgrade to version 0.35.0, which fixes the issue.\n\nReferences:\n\nhttps://qpid.apache.org/\nhttps://www.cve.org/CVERecord?id=CVE-2026-66273\n\n",
  "body_short": "Severity: important \n\nAffected versions:\n\n- Apache Qpid Proton-J (org.apache.qpid:proton-j) through 0.34.1\n\nDescription:\n\nA pre-authentication attacker could leverage type size/count handling to cause ",
  "html_source_only": false,
  "attachments": [],
  "forum": "announce@apache.org",
  "size": 3045,
  "id": "2ms6hcy9wkgs8kj2mh6pgg9hzyklhp60"
}