{
  "cveId": "CVE-2026-110249",
  "url": "https://patchblox.com/security/cve/CVE-2026-110249",
  "summary": "CVE-2026-110249 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-110249, released October 21, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "thunderbird: A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing...",
  "description": "A malicious, compromised, or MITM-controlled Exchange server can return a single well-formed SOAP response containing an element with enough attributes to keep Thunderbird\u0027s main thread CPU-bound for seconds to hours. This vulnerability was fixed in Thunderbird 158 and Thunderbird 153.5.",
  "published": "2026-10-13T19:18:49Z",
  "severity": "high",
  "cvss": 8.6,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
  "epss": 0.0018,
  "epssPercentile": 0.07634,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "MozillaThunderbird",
      "release": "sles 15.7",
      "fixedVersion": "153.5.0-150400.13.9.1",
      "fix": "SUSE-SU-2026:4736-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4736-1",
      "released": "2026-11-07T00:43:02Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:153.5.1esr-1~deb12u1",
      "fix": "DEBIAN-CVE-2026-110249",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-110249",
      "released": "2026-10-21T16:54:52Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:153.5.1esr-1~deb13u1",
      "fix": "DEBIAN-CVE-2026-110249",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-110249",
      "released": "2026-10-21T16:54:52Z"
    },
    {
      "platform": "linux",
      "product": "thunderbird",
      "release": "Debian 14",
      "fixedVersion": "1:153.5.0esr-1",
      "fix": "DEBIAN-CVE-2026-110249",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-110249",
      "released": "2026-10-21T16:54:52Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-12T01:51:14Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}