{
  "cveId": "CVE-2026-21876",
  "url": "https://patchblox.com/security/cve/CVE-2026-21876",
  "summary": "CVE-2026-21876 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-21876, released January 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "modsecurity-crs: modsecurity-crs - security update",
  "description": "modsecurity-crs - security update",
  "published": "2026-01-08T14:15:57Z",
  "severity": "medium",
  "cvss": 5.3,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.1735,
  "epssPercentile": 0.97131,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "mod_security_crs",
      "release": "amzn 2023",
      "fixedVersion": "4.2.0-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1399",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1399",
      "released": "2026-02-05T22:03:00Z"
    },
    {
      "platform": "linux",
      "product": "modsecurity-crs",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.3.4-1\u002Bdeb12u1",
      "fix": "DSA-6105-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-6105-1",
      "released": "2026-01-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "modsecurity-crs",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.3.7-1\u002Bdeb13u1",
      "fix": "DSA-6105-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-6105-1",
      "released": "2026-01-21T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "modsecurity-crs",
      "release": "Debian 14",
      "fixedVersion": "3.3.8-1",
      "fix": "DEBIAN-CVE-2026-21876",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-21876",
      "released": "2026-01-08T14:15:57Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}