{
  "cveId": "CVE-2026-118174",
  "url": "https://patchblox.com/security/cve/CVE-2026-118174",
  "summary": "CVE-2026-118174 is fixed in thunderbird on 1 platform, first by DEBIAN-CVE-2026-118174, released October 31, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "thunderbird: When a message containing an OpenPGP key attachment was displayed, Thunderbird automatically loaded the attachment\u0027s...",
  "description": "When a message containing an OpenPGP key attachment was displayed, Thunderbird automatically loaded the attachment\u0027s content to offer importing the key. A sender could mark the attachment as an external attachment pointing to an arbitrary URL, which Thunderbird then loaded without any user interaction, bypassing remote content blocking. On Windows, a URL pointing to an attacker-controlled network share could leak the user\u0027s NTLM credentials. The NTLM credential leak only affects Thunderbird on Windows. On other operating systems, the issue allowed a remote request that bypassed remote content blocking. This vulnerability was fixed in Thunderbird 159 and Thunderbird 153.6.",
  "published": "2026-10-27T19:17:29Z",
  "severity": "medium",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
  "epss": 0.00372,
  "epssPercentile": 0.31348,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:153.6.0esr-1~deb12u2",
      "fix": "DEBIAN-CVE-2026-118174",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-118174",
      "released": "2026-10-31T22:18:21Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:153.6.0esr-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-118174",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-118174",
      "released": "2026-10-31T22:18:21Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}