{
  "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-2026-66274: Apache Qpid Proton-J: Unbounded type nesting can lead to pre-authentication stackoverflow",
  "message-id": "<ba4db556-8c25-1453-9fb3-8536423e3b64@apache.org>",
  "mid": "kg79gx7pjsflq5s9zq93xbtdqg2w26wv",
  "permalinks": [
    "kg79gx7pjsflq5s9zq93xbtdqg2w26wv",
    "r98b9f908d7b16afe1048afd26ded19a418a710abda7382cd7a550549@<announce.apache.org>"
  ],
  "dbid": "a78420e632921cfb8c263bb0ad3068e8795ef66b48980de30907dfe09b3f161e",
  "cc": "us...@qpid.apache.org",
  "epoch": 1785865805,
  "list": "<announce.apache.org>",
  "list_raw": "<announce.apache.org>",
  "date": "2026/08/04 17:50:05",
  "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 nesting to cause a StackOverflowError potentially leading to 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-2026-66274\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 nesting to cause a StackOverf",
  "html_source_only": false,
  "attachments": [],
  "forum": "announce@apache.org",
  "size": 3026,
  "id": "kg79gx7pjsflq5s9zq93xbtdqg2w26wv"
}