{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:apache:apr-util:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.6.0"
              },
              {
                "fixed": "1.6.4"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "d367befc064567997546ee36a012441f324d178d"
            },
            {
              "fixed": "345398c35e276f4ab0fd8aa3bd94949292cf5638"
            }
          ],
          "repo": "https://github.com/apache/apr-util",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "apache",
    "cwe_ids": [
      "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34501.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "1.6.0"
          },
          {
            "last_affected": "1.6.3"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "introduced": "1.6.0"
          },
          {
            "fixed": "1.6.3"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "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.",
  "id": "CVE-2026-34501",
  "modified": "2026-08-09T03:30:27.098843041Z",
  "published": "2026-08-06T14:31:48.356Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/08/06/11"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34501.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/o8h6c7cq86fplxlnry6c3rn9x0ovq8mv"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34501"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Portable Runtime Utility: Heap buffer overflow in APR redis client"
}