{
  "fix": "RLSA-2026:42733",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-42733",
  "summary": "RLSA-2026:42733, released July 22, 2026, fixes 3 CVEs in glibc (version 0:2.28-251.el8_10.40). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "glibc security update",
  "released": "2026-07-22T06:00:17Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-5928, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00369,
  "maxCvss": 8.6,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:42733",
  "appliesTo": [
    {
      "product": "glibc",
      "productUrl": "https://patchblox.com/security/product/linux/glibc",
      "release": "rocky 8",
      "fixedVersion": "0:2.28-251.el8_10.40",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-5928",
      "url": "https://patchblox.com/security/cve/CVE-2026-5928",
      "title": "Static buffer overflow in deprecated nis_local_principal",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00369,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-5435",
      "url": "https://patchblox.com/security/cve/CVE-2026-5435",
      "title": "Potential buffer overflow in ns_sprintrrf TSIG handling path",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00237,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-6238",
      "url": "https://patchblox.com/security/cve/CVE-2026-6238",
      "title": "compat-libpthread-nonshared: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math librar...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00358,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}