{
  "fix": "RLSA-2026:8510",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-8510",
  "summary": "RLSA-2026:8510, released April 19, 2026, fixes 2 CVEs in libarchive (version 0:3.5.3-9.el9_7). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "libarchive security update",
  "released": "2026-04-19T00:04:03Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-4424, high severity",
  "supported": true,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01287,
  "maxCvss": 7.5,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:8510",
  "appliesTo": [
    {
      "product": "libarchive",
      "productUrl": "https://patchblox.com/security/product/linux/libarchive",
      "release": "rocky 9",
      "fixedVersion": "0:3.5.3-9.el9_7",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-4424",
      "url": "https://patchblox.com/security/cve/CVE-2026-4424",
      "title": "Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01287,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-5121",
      "url": "https://patchblox.com/security/cve/CVE-2026-5121",
      "title": "bsdtar: The libarchive programming library can create and read several different streaming archive formats, including GNU tar...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01092,
      "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"
  }
}