{
  "document": {
    "aggregate_severity": {
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      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update is now available for Red Hat build of Quarkus.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability. For more information, see the CVE links in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "This release of Red Hat build of Quarkus 3.27.3.SP2 includes the following CVE fix:\n\n* pgjdbc: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication [quarkus-3.27] (CVE-2026-42198)\n\nFor more information, see the release notes page listed in the References section.",
        "title": "Details"
      },
      {
        "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 Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
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      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2026:19098",
        "url": "https://access.redhat.com/errata/RHSA-2026:19098"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/products/quarkus/",
        "url": "https://access.redhat.com/products/quarkus/"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus\u0026downloadType=distributions\u0026version=3.27.3.SP2",
        "url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus\u0026downloadType=distributions\u0026version=3.27.3.SP2"
      },
      {
        "category": "external",
        "summary": "https://docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.27",
        "url": "https://docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.27"
      },
      {
        "category": "external",
        "summary": "QUARKUS-7768",
        "url": "https://issues.redhat.com/browse/QUARKUS-7768"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19098.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat build of Quarkus 3.27.3.SP2 security update",
    "tracking": {
      "current_release_date": "2026-05-20T16:10:04+00:00",
      "generator": {
        "date": "2026-05-20T16:10:04+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.8.0"
        }
      },
      "id": "RHSA-2026:19098",
      "initial_release_date": "2026-05-20T12:47:06+00:00",
      "revision_history": [
        {
          "date": "2026-05-20T12:47:06+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-05-20T12:47:06+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2026-05-20T16:10:04+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
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      "status": "final",
      "version": "3"
    }
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              {
                "category": "product_name",
                "name": "Red Hat build of Quarkus 3.27.3.SP2",
                "product": {
                  "name": "Red Hat build of Quarkus 3.27.3.SP2",
                  "product_id": "Red Hat build of Quarkus 3.27.3.SP2",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:quarkus:3.27::el8"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat build of Quarkus"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-42198",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-04-29T17:00:59.186447+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2463857"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A malicious server can exploit this vulnerability by instructing the driver to perform SCRAM-SHA-256 (Salted Challenge Response Authentication Mechanism Secure Hash Algorithm 256) authentication with an excessively large iteration count. This causes the client to spend an unbounded amount of CPU time performing PBKDF2 (Password-Based Key Derivation Function 2) computations, leading to a client-side Denial of Service (DoS). This can exhaust client CPU resources and wedge connection pools.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat build of Quarkus 3.27.3.SP2"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-42198"
        },
        {
          "category": "external",
          "summary": "RHBZ#2463857",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2463857"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42198",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-42198"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42198",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42198"
        },
        {
          "category": "external",
          "summary": "https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11",
          "url": "https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11"
        },
        {
          "category": "external",
          "summary": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq",
          "url": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq"
        }
      ],
      "release_date": "2026-04-29T15:58:49.174000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-05-20T12:47:06+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat build of Quarkus 3.27.3.SP2"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:19098"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat build of Quarkus 3.27.3.SP2"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication"
    }
  ]
}