{
  "cveId": "CVE-2026-24881",
  "url": "https://patchblox.com/security/cve/CVE-2026-24881",
  "summary": "CVE-2026-24881 is fixed in Gpg4win on 1 platform by Gpg4win 5.0.1 (version 5.0.1), released January 27, 2026. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "Gpg4win: Stack-based Buffer Overflow",
  "description": "In GnuPG before 2.5.17, a crafted CMS (S/MIME) EnvelopedData message carrying an oversized wrapped session key can cause a stack-based buffer overflow in gpg-agent during PKDECRYPT--kem=CMS handling. This can easily be leveraged for denial of service; however, there is also memory corruption that could lead to remote code execution.",
  "published": "2026-01-27T19:16:16Z",
  "severity": "",
  "cvss": 9.8,
  "cwe": "CWE-121: Stack-based Buffer Overflow",
  "epss": 0.01813,
  "epssPercentile": 0.78807,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-24881",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Gpg4win",
      "fixedVersion": "5.0.1",
      "fix": "Gpg4win 5.0.1",
      "url": "https://patchblox.com/security/fix/windows-app/gnupg.gpg4win-5.0.1",
      "released": "2026-01-27T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T07:50:38Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}