{
  "fix": "RHSA-2026:89923",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-89923",
  "summary": "RHSA-2026:89923, released October 27, 2026, fixes 3 CVEs in libreswan (version 5.3.3-1.el10_2). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "libreswan security update",
  "released": "2026-10-27T21:16:57Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-77207, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00463,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:89923",
  "appliesTo": [
    {
      "product": "libreswan",
      "productUrl": "https://patchblox.com/security/product/linux/libreswan",
      "release": "RHEL 10",
      "fixedVersion": "5.3.3-1.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-77207",
      "url": "https://patchblox.com/security/cve/CVE-2026-77207",
      "title": "Null Pointer Dereference in PKCS#7 bundle with no certificates",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00463,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-94453",
      "url": "https://patchblox.com/security/cve/CVE-2026-94453",
      "title": "IKEv2 Use-After-Free bug when using IKE-over-TCP",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00454,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-77205",
      "url": "https://patchblox.com/security/cve/CVE-2026-77205",
      "title": "libreswan: Libreswan in FIPS mode has a vulnerability where badly formed received certificates are rejected, but not deleted fro...",
      "priority": "High",
      "severity": "low",
      "cvss": 7.5,
      "epss": 0.00183,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}