{
  "cveId": "CVE-2026-45067",
  "url": "https://patchblox.com/security/cve/CVE-2026-45067",
  "summary": "CVE-2026-45067 is fixed in symfony on 1 platform, first by DEBIAN-CVE-2026-45067, released May 27, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "symfony: ### Description  \u0060Symfony\\Component\\Mime\\Address\u0060 is the value-object every Symfony Mailer address (to/cc/bcc/from/re...",
  "description": "### Description  \u0060Symfony\\Component\\Mime\\Address\u0060 is the value-object every Symfony Mailer address (to/cc/bcc/from/reply-to) flows through; its constructor is documented as validating the address and throwing on invalid input, so developers treat it as a security boundary.  The constructor accepts email addresses whose local-part (the part before \u0060@\u0060) is an RFC-5322 *quoted string* containing raw \u0060\\r\\n\u0060 bytes \u2014 e.g. \u0060\u0022x\\r\\nBcc: attacker@evil\u0022@example.com\u0060. The stored address is later emitted verbatim into (1) the rendered message headers and (2) \u0060SmtpTransport\u0060\u0027s \u0060MAIL FROM:\u003C...\u003E\u0060 / \u0060RCPT TO:\u003C...\u003E\u0060 protocol lines, turning the embedded CRLF into a new mail header and/or a new SMTP command.  ### Resolution  The \u0060Address\u0060 constructor now rejects addresses containing line breaks.  The patch for this issue is available [here](https://github.com/symfony/symfony/commit/dc2dbd29211eb4ddc451373fa1374fb926e94604) for branch 5.4.  ### Credits  We would like to thank Claude Mythos Preview (via Project Glasswing) for reporting the issue and providing the fix.",
  "published": "2026-07-14T18:17:16Z",
  "severity": "",
  "epss": 0.00598,
  "epssPercentile": 0.48883,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "symfony",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.4.53\u002Bdfsg-0\u002Bdeb12u1",
      "fix": "DEBIAN-CVE-2026-45067",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45067",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
      "product": "symfony",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.4.41\u002Bdfsg-0\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-45067",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45067",
      "released": "2026-05-27T17:38:13Z"
    },
    {
      "platform": "linux",
      "product": "symfony",
      "release": "Debian 14",
      "fixedVersion": "7.4.12\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-45067",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-45067",
      "released": "2026-05-27T17:38:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}