{
  "fix": "RLSA-2026:50778",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-50778",
  "summary": "RLSA-2026:50778, released August 27, 2026, fixes 6 CVEs in ruby (version 0:3.3.12-14.el10_2). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "ruby security update",
  "released": "2026-08-27T00:08:23Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-47240, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00831,
  "maxCvss": 7.3,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:50778",
  "appliesTo": [
    {
      "product": "ruby",
      "productUrl": "https://patchblox.com/security/product/linux/ruby",
      "release": "rocky 10",
      "fixedVersion": "0:3.3.12-14.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-47240",
      "url": "https://patchblox.com/security/cve/CVE-2026-47240",
      "title": "Net::IMAP: Command Injection via non-synchronizing literal in \u0022raw\u0022 argument",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.3,
      "epss": 0.00831,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27820",
      "url": "https://patchblox.com/security/cve/CVE-2026-27820",
      "title": "zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.3,
      "epss": 0.00561,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42257",
      "url": "https://patchblox.com/security/cve/CVE-2026-42257",
      "title": "net-imap: Command Injection via \u0022raw\u0022 arguments to multiple commands",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.3,
      "epss": 0.00429,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-47241",
      "url": "https://patchblox.com/security/cve/CVE-2026-47241",
      "title": "Net::IMAP: Denial of Service via incomplete raw argument validation",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.3,
      "epss": 0.00382,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-42256",
      "url": "https://patchblox.com/security/cve/CVE-2026-42256",
      "title": "net-imap: Denial of service via high iteration count for \u0060SCRAM-*\u0060 authentication",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.3,
      "epss": 0.00299,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-47242",
      "url": "https://patchblox.com/security/cve/CVE-2026-47242",
      "title": "ruby: Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby",
      "priority": "High",
      "severity": "important",
      "cvss": 7.3,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}