{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
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        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/tuxcare9.6esu/vex/2026/cve-2026-34481-els_os-tuxcare9_6esu.json"
      }
    ],
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      "generator": {
        "date": "2026-06-13T02:47:00Z",
        "engine": {
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        }
      },
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        {
          "date": "2026-04-10T16:16:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-13T02:47:00Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2026-34481"
  },
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-34481",
      "cwe": {
        "id": "CWE-116",
        "name": "Improper Encoding or Escaping of Output"
      },
      "notes": [
        {
          "category": "description",
          "text": "Apache Log4j's  JsonTemplateLayout https://logging.apache.org/log4j/2.x/manual/json-template-layout.html , in versions up to and including 2.25.3, produces invalid JSON output when log events contain non-finite floating-point values (NaN, Infinity, or -Infinity), which are prohibited by RFC 8259. This may cause downstream log processing systems to reject or fail to index affected records.\n\nAn attacker can exploit this issue only if both of the following conditions are met:\n\n  *  The application uses JsonTemplateLayout.\n  *  The application logs a MapMessage containing an attacker-controlled floating-point value.\n\n\nUsers are advised to upgrade to Apache Log4j JSON Template Layout 2.25.4, which corrects this issue.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
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          "AlmaLinux-9.6:log4j-jcl-0:2.17.2-1.el9.tuxcare.els1.noarch",
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          "Rocky Linux-9.6:log4j-slf4j-0:2.17.2-1.el9.tuxcare.els1.noarch",
          "Rocky Linux-9.6:log4j-web-0:2.17.2-1.el9.tuxcare.els1.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-34481"
        },
        {
          "category": "external",
          "summary": "https://github.com/apache/logging-log4j2/pull/4080",
          "url": "https://github.com/apache/logging-log4j2/pull/4080"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/n34zdv00gbkdbzt2rx9rf5mqz6lhopcv",
          "url": "https://lists.apache.org/thread/n34zdv00gbkdbzt2rx9rf5mqz6lhopcv"
        },
        {
          "category": "external",
          "summary": "https://logging.apache.org/cyclonedx/vdr.xml",
          "url": "https://logging.apache.org/cyclonedx/vdr.xml"
        },
        {
          "category": "external",
          "summary": "https://logging.apache.org/log4j/2.x/manual/json-template-layout.html",
          "url": "https://logging.apache.org/log4j/2.x/manual/json-template-layout.html"
        },
        {
          "category": "external",
          "summary": "https://logging.apache.org/security.html#CVE-2026-34481",
          "url": "https://logging.apache.org/security.html#CVE-2026-34481"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/04/10/10",
          "url": "http://www.openwall.com/lists/oss-security/2026/04/10/10"
        }
      ],
      "release_date": "2026-04-10T16:16:00Z",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
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          "category": "impact",
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}