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apr-util: Fix of 3 CVEs

Type: advisorySources: OSV

- Fix CVE-2026-34502 - heap buffer overflow in the memcached client - Fix CVE-2026-34501 - heap buffer overflow in the redis client - Fix CVE-2026-32327 - stack recursion via apr_xml_quote_elem()

Products
apr-util, apr-util-bdb, apr-util-devel, apr-util-ldap, apr-util-mysql, apr-util-odbc, apr-util-openssl, apr-util-pgsql, apr-util-sqlite
Affected versions
Not specified
Fixed versions
1.6.1-23.el9.tuxcare.els1
CVEs
CVE-2026-32327, CVE-2026-34501, CVE-2026-34502
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:58 UTC · Revision 1

Source evidence

apr-util: Fix of 3 CVEs

core-osv · Original source

Published 13 Aug 2026, 04:21 UTC

- Fix CVE-2026-34502 - heap buffer overflow in the memcached client - Fix CVE-2026-34501 - heap buffer overflow in the redis client - Fix CVE-2026-32327 - stack recursion via apr_xml_quote_elem()

osv:CLSA-2026-1786481279

apr-util

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-bdb

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-devel

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-ldap

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-mysql

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-odbc

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-openssl

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-pgsql

Fixed versions: 1.6.1-23.el9.tuxcare.els1

apr-util-sqlite

Fixed versions: 1.6.1-23.el9.tuxcare.els1

Complete source record
{
  "id": "e305b056ac5954f4683b137f35c6af7f3ff290a91a23004d261e821067e85f57",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1786481279",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "apr-util: Fix of 3 CVEs",
    "summary": "- Fix CVE-2026-34502 - heap buffer overflow in the memcached client - Fix CVE-2026-34501 - heap buffer overflow in the redis client - Fix CVE-2026-32327 - stack recursion via apr_xml_quote_elem()",
    "evidence": "osv:CLSA-2026-1786481279",
    "products": [
      {
        "name": {
          "value": "apr-util",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-bdb",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-devel",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-ldap",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-mysql",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-odbc",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-openssl",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-pgsql",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "apr-util-sqlite",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.6.1-23.el9.tuxcare.els1",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1786481279",
      "aliases": [
        "CLSA-2026-1786481279"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util",
            "purl": "pkg:rpm/tuxcare/apr-util?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-bdb",
            "purl": "pkg:rpm/tuxcare/apr-util-bdb?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-devel",
            "purl": "pkg:rpm/tuxcare/apr-util-devel?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-ldap",
            "purl": "pkg:rpm/tuxcare/apr-util-ldap?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-mysql",
            "purl": "pkg:rpm/tuxcare/apr-util-mysql?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-odbc",
            "purl": "pkg:rpm/tuxcare/apr-util-odbc?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-openssl",
            "purl": "pkg:rpm/tuxcare/apr-util-openssl?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-pgsql",
            "purl": "pkg:rpm/tuxcare/apr-util-pgsql?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.6.1-23.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "apr-util-sqlite",
            "purl": "pkg:rpm/tuxcare/apr-util-sqlite?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1786481279.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:56.146306783Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-32327",
        "CVE-2026-34501",
        "CVE-2026-34502"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1786481279.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32327",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34501",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34502"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-32327",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-34501",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-34502",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450252,
  "published_at": "2026-08-13T04:21:54+00:00"
}