{
  "document": {
    "aggregate_severity": {
      "text": "Critical"
    },
    "category": "csaf_security_advisory",
    "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"
      },
      {
        "category": "details",
        "text": "* SECURITY UPDATE: heap buffer overflow in the memcached client\n     - debian/patches/CVE-2026-34502.patch: validate CRLF line termination and\n       response lengths in memcache/apr_memcache.c\n     - CVE-2026-34502\n   * SECURITY UPDATE: heap buffer overflow in the redis client\n     - debian/patches/CVE-2026-34501.patch: bound the bulk response length in\n       redis/apr_redis.c\n     - CVE-2026-34501\n   * SECURITY UPDATE: stack recursion crash on deeply nested XML\n     - debian/patches/CVE-2026-32327.patch: limit element nesting depth in\n       xml/apr_xml.c\n     - CVE-2026-32327",
        "title": "Details"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/advisories/2026/clsa-2026_1787141541.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-08-19T12:15:36Z",
      "generator": {
        "date": "2026-08-19T12:15:36Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1787141541",
      "initial_release_date": "2026-08-19T12:15:36Z",
      "revision_history": [
        {
          "date": "2026-08-19T12:15:36Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2026-32327, CVE-2026-34501, CVE-2026-34502"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 18.04",
                "product": {
                  "name": "Ubuntu 18.04",
                  "product_id": "Ubuntu-18",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-dbd-pgsql@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-ldap@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-dbd-sqlite3@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-dev@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-dbd-mysql@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                "product": {
                  "name": "libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_id": "libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
                  "product_identification_helper": {
                    "purl": "pkg:deb/cloudlinux/libaprutil1-dbd-odbc@1.6.1-2ubuntu0.1%2Btuxcare.els1?arch=amd64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "amd64"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        },
        "product_reference": "libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-32327",
      "cwe": {
        "id": "CWE-674",
        "name": "Uncontrolled Recursion"
      },
      "notes": [
        {
          "category": "description",
          "text": "A bug in APR-util version 1.6.3 (and earlier) allows a stack recursion attack against any library consumer which parses XML from untrusted sources and uses the apr_xml_quote_elem() function.\n\nUsers are recommended to upgrade to version 1.6.4, which fixes this issue.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-32327"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/hq27vj8yfno9tkwv0fpj6jksfzgxvth1",
          "url": "https://lists.apache.org/thread/hq27vj8yfno9tkwv0fpj6jksfzgxvth1"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/08/06/9",
          "url": "http://www.openwall.com/lists/oss-security/2026/08/06/9"
        }
      ],
      "release_date": "2026-08-06T15:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-19T12:12:23.454950Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541",
          "product_ids": [
            "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    },
    {
      "cve": "CVE-2026-34502",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "description",
          "text": "Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client\n\nThis issue affects Apache Portable Runtime Utility: from 1.3.0 through 1.6.3.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-34502"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/spk5643m4vq0mb8h5b9hz9gkp57ombl8",
          "url": "https://lists.apache.org/thread/spk5643m4vq0mb8h5b9hz9gkp57ombl8"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/08/06/12",
          "url": "http://www.openwall.com/lists/oss-security/2026/08/06/12"
        }
      ],
      "release_date": "2026-08-06T15:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-19T12:12:23.454950Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541",
          "product_ids": [
            "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    },
    {
      "cve": "CVE-2026-34501",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "description",
          "text": "Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client.\n\nThis issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3.\n\nUsers are recommended to upgrade to version 1.6.4, which fixes the issue.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
          "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-34501"
        },
        {
          "category": "external",
          "summary": "https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv",
          "url": "https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2026/08/06/11",
          "url": "http://www.openwall.com/lists/oss-security/2026/08/06/11"
        }
      ],
      "release_date": "2026-08-06T15:16:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-19T12:12:23.454950Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541",
          "product_ids": [
            "Ubuntu-18:libaprutil1-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-mysql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-odbc-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-pgsql-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dbd-sqlite3-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-dev-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64",
            "Ubuntu-18:libaprutil1-ldap-0:1.6.1-2ubuntu0.1+tuxcare.els1.amd64"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1787141541"
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ]
    }
  ]
}