{
  "fix": "FEDORA-2026-684396998A",
  "url": "https://patchblox.com/security/fix/linux/fedora-2026-684396998a",
  "summary": "FEDORA-2026-684396998A, released April 29, 2026, fixes 2 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 19 packages",
  "released": "2026-04-29T13:44:31Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-40355, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00645,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://bodhi.fedoraproject.org/updates/FEDORA-2026-684396998a",
  "appliesTo": [
    {
      "product": "krb5",
      "productUrl": "https://patchblox.com/security/product/linux/krb5",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-debugsource",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-devel",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-devel",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-libs",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-libs",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-libs-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-libs-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-pkinit",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-pkinit",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-pkinit-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-pkinit-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-server",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-server",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-server-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-server-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-server-ldap",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-server-ldap",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-server-ldap-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-server-ldap-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-tests",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-tests",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-workstation",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-workstation",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-workstation-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-workstation-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-xrealmauthz",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-xrealmauthz",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "krb5-xrealmauthz-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/krb5-xrealmauthz-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "libkadm5",
      "productUrl": "https://patchblox.com/security/product/linux/libkadm5",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    },
    {
      "product": "libkadm5-debuginfo",
      "productUrl": "https://patchblox.com/security/product/linux/libkadm5-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.22.2-4.fc43",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-40355",
      "url": "https://patchblox.com/security/cve/CVE-2026-40355",
      "title": "krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_se...",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00645,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-40356",
      "url": "https://patchblox.com/security/cve/CVE-2026-40356",
      "title": "krb5-admin-server: In MIT Kerberos 5 (aka krb5) before 1.22.3, there is an integer underflow and resultant out-of-bounds read if an appl...",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00604,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}