{
  "document" : {
    "aggregate_severity" : {
      "namespace" : "https://access.redhat.com/security/updates/classification/",
      "text" : "Important"
    },
    "category" : "csaf_security_advisory",
    "csaf_version" : "2.0",
    "distribution" : {
      "text" : "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp" : {
        "label" : "WHITE",
        "url" : "https://www.first.org/tlp/"
      }
    },
    "lang" : "en",
    "notes" : [ {
      "category" : "summary",
      "text" : "An update for postgresql-jdbc is now available for Red Hat Enterprise Linux 10.\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 from the CVE link(s) in the References section.",
      "title" : "Topic"
    }, {
      "category" : "general",
      "text" : "PostgreSQL is an advanced object-relational database management system. The postgresql-jdbc package includes the .jar files needed for Java programs to access a PostgreSQL database.\n\nSecurity Fix(es):\n\n* jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication (CVE-2026-42198)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) 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" : {
      "category" : "vendor",
      "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-2026:24348",
      "url" : "https://access.redhat.com/errata/RHSA-2026:24348"
    }, {
      "category" : "external",
      "summary" : "https://access.redhat.com/security/updates/classification/#important",
      "url" : "https://access.redhat.com/security/updates/classification/#important"
    }, {
      "category" : "external",
      "summary" : "2463857",
      "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2463857"
    }, {
      "category" : "self",
      "summary" : "Canonical URL",
      "url" : "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_24348.json"
    } ],
    "title" : "Red Hat Security Advisory: postgresql-jdbc security update",
    "tracking" : {
      "current_release_date" : "2026-06-10T15:50:16+00:00",
      "generator" : {
        "date" : "2026-06-10T15:50:16+00:00",
        "engine" : {
          "name" : "Red Hat SDEngine",
          "version" : "4.8.2"
        }
      },
      "id" : "RHSA-2026:24348",
      "initial_release_date" : "2026-06-08T03:14:44+00:00",
      "revision_history" : [ {
        "date" : "2026-06-08T03:14:44+00:00",
        "number" : "1",
        "summary" : "Initial version"
      }, {
        "date" : "2026-06-08T03:14:44+00:00",
        "number" : "2",
        "summary" : "Last updated version"
      }, {
        "date" : "2026-06-10T15:50:16+00:00",
        "number" : "3",
        "summary" : "Last generated version"
      } ],
      "status" : "final",
      "version" : "3"
    }
  },
  "product_tree" : {
    "branches" : [ {
      "branches" : [ {
        "branches" : [ {
          "category" : "product_name",
          "name" : "Red Hat Enterprise Linux AppStream (v. 10)",
          "product" : {
            "name" : "Red Hat Enterprise Linux AppStream (v. 10)",
            "product_id" : "AppStream-10.2.Z",
            "product_identification_helper" : {
              "cpe" : "cpe:/o:redhat:enterprise_linux:10.2"
            }
          }
        } ],
        "category" : "product_family",
        "name" : "Red Hat Enterprise Linux"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.src",
          "product" : {
            "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.src",
            "product_id" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.src",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/postgresql-jdbc@42.7.2-1.el10_2.2?arch=src"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "src"
      }, {
        "branches" : [ {
          "category" : "product_version",
          "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch",
          "product" : {
            "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch",
            "product_id" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch",
            "product_identification_helper" : {
              "purl" : "pkg:rpm/redhat/postgresql-jdbc@42.7.2-1.el10_2.2?arch=noarch"
            }
          }
        } ],
        "category" : "architecture",
        "name" : "noarch"
      } ],
      "category" : "vendor",
      "name" : "Red Hat"
    } ],
    "relationships" : [ {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch as a component of Red Hat Enterprise Linux AppStream (v. 10)",
        "product_id" : "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch"
      },
      "product_reference" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch",
      "relates_to_product_reference" : "AppStream-10.2.Z"
    }, {
      "category" : "default_component_of",
      "full_product_name" : {
        "name" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.src as a component of Red Hat Enterprise Linux AppStream (v. 10)",
        "product_id" : "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src"
      },
      "product_reference" : "postgresql-jdbc-0:42.7.2-1.el10_2.2.src",
      "relates_to_product_reference" : "AppStream-10.2.Z"
    } ]
  },
  "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's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
    } ],
    "product_status" : {
      "fixed" : [ "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src" ]
    },
    "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" : "2026-06-08T03:14:44+00:00",
      "details" : "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
      "product_ids" : [ "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src" ],
      "restart_required" : {
        "category" : "none"
      },
      "url" : "https://access.redhat.com/errata/RHSA-2026:24348"
    } ],
    "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" : [ "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src" ]
    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication"
  } ]
}