{
  "fix": "OPENSUSE-SU-2026:21878-1",
  "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21878-1",
  "summary": "OPENSUSE-SU-2026:21878-1, released September 18, 2026, fixes 8 CVEs in ruby3.4 (version 3.4.10-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "ruby3.4 security update",
  "released": "2026-09-18T13:34:12Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-41316, high severity",
  "supported": true,
  "cveCount": 8,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01131,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/openSUSE-SU-2026:21878-1",
  "appliesTo": [
    {
      "product": "ruby3.4",
      "productUrl": "https://patchblox.com/security/product/linux/ruby3.4",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.4.10-160000.1.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-41316",
      "url": "https://patchblox.com/security/cve/CVE-2026-41316",
      "title": "ruby2.5: erb: @_init deserialization guard bypass via def_module / def_method / def_class (bsc#1262441).",
      "priority": "High",
      "severity": "IMPORTANT",
      "cvss": 9.1,
      "epss": 0.01131,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "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-2026-42258",
      "url": "https://patchblox.com/security/cve/CVE-2026-42258",
      "title": "net-imap: Command Injection via unvalidated Symbol inputs",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.4,
      "epss": 0.00783,
      "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": 9.8,
      "epss": 0.00561,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-61594",
      "url": "https://patchblox.com/security/cve/CVE-2025-61594",
      "title": "ruby3.4: merging URIs using the \u002B operator could expose sensitive user credentials (bsc#1270034).",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.5,
      "epss": 0.0056,
      "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-2025-58767",
      "url": "https://patchblox.com/security/cve/CVE-2025-58767",
      "title": "REXML has a DoS condition when parsing malformed XML file",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.5,
      "epss": 0.00248,
      "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": "2026-11-11T01:43:54Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}