{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "7.88.0"
              },
              {
                "fixed": "8.21.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "3027611ca6d4cc5510d2d0fccc3e5a074e09a2fb"
            },
            {
              "fixed": "68720b4837284335b2d63cb358f8f6ce65f5bc55"
            }
          ],
          "repo": "https://github.com/curl/curl",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "curl",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10536.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.20.0"
          },
          {
            "last_affected": "8.20.0"
          },
          {
            "introduced": "8.19.0"
          },
          {
            "last_affected": "8.19.0"
          },
          {
            "introduced": "8.18.0"
          },
          {
            "last_affected": "8.18.0"
          },
          {
            "introduced": "8.17.0"
          },
          {
            "last_affected": "8.17.0"
          },
          {
            "introduced": "8.16.0"
          },
          {
            "last_affected": "8.16.0"
          },
          {
            "introduced": "8.15.0"
          },
          {
            "last_affected": "8.15.0"
          },
          {
            "introduced": "8.14.1"
          },
          {
            "last_affected": "8.14.1"
          },
          {
            "introduced": "8.14.0"
          },
          {
            "last_affected": "8.14.0"
          },
          {
            "introduced": "8.13.0"
          },
          {
            "last_affected": "8.13.0"
          },
          {
            "introduced": "8.12.1"
          },
          {
            "last_affected": "8.12.1"
          },
          {
            "introduced": "8.12.0"
          },
          {
            "last_affected": "8.12.0"
          },
          {
            "introduced": "8.11.1"
          },
          {
            "last_affected": "8.11.1"
          },
          {
            "introduced": "8.11.0"
          },
          {
            "last_affected": "8.11.0"
          },
          {
            "introduced": "8.10.1"
          },
          {
            "last_affected": "8.10.1"
          },
          {
            "introduced": "8.10.0"
          },
          {
            "last_affected": "8.10.0"
          },
          {
            "introduced": "8.9.1"
          },
          {
            "last_affected": "8.9.1"
          },
          {
            "introduced": "8.9.0"
          },
          {
            "last_affected": "8.9.0"
          },
          {
            "introduced": "8.8.0"
          },
          {
            "last_affected": "8.8.0"
          },
          {
            "introduced": "8.7.1"
          },
          {
            "last_affected": "8.7.1"
          },
          {
            "introduced": "8.7.0"
          },
          {
            "last_affected": "8.7.0"
          },
          {
            "introduced": "8.6.0"
          },
          {
            "last_affected": "8.6.0"
          },
          {
            "introduced": "8.5.0"
          },
          {
            "last_affected": "8.5.0"
          },
          {
            "introduced": "8.4.0"
          },
          {
            "last_affected": "8.4.0"
          },
          {
            "introduced": "8.3.0"
          },
          {
            "last_affected": "8.3.0"
          },
          {
            "introduced": "8.2.1"
          },
          {
            "last_affected": "8.2.1"
          },
          {
            "introduced": "8.2.0"
          },
          {
            "last_affected": "8.2.0"
          },
          {
            "introduced": "8.1.2"
          },
          {
            "last_affected": "8.1.2"
          },
          {
            "introduced": "8.1.1"
          },
          {
            "last_affected": "8.1.1"
          },
          {
            "introduced": "8.1.0"
          },
          {
            "last_affected": "8.1.0"
          },
          {
            "introduced": "8.0.1"
          },
          {
            "last_affected": "8.0.1"
          },
          {
            "introduced": "8.0.0"
          },
          {
            "last_affected": "8.0.0"
          },
          {
            "introduced": "7.88.1"
          },
          {
            "last_affected": "7.88.1"
          },
          {
            "introduced": "7.88.0"
          },
          {
            "last_affected": "7.88.0"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "A use-after-free vulnerability exists in libcurl when an application\nconfigures an HTTP/2 stream-dependency tree via `CURLOPT_STREAM_DEPENDS` or\n`CURLOPT_STREAM_DEPENDS_E`, subsequently invokes `curl_easy_reset()`, and\nfinally terminates the handle with `curl_easy_cleanup()`. During this final\ncleanup phase, libcurl attempts to access and modify an internal structure\nthat was already freed during the reset operation.",
  "id": "CVE-2026-10536",
  "modified": "2026-07-09T03:51:55.861444956Z",
  "published": "2026-07-03T06:11:15.378Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://curl.se/docs/CVE-2026-10536.html"
    },
    {
      "type": "WEB",
      "url": "https://curl.se/docs/CVE-2026-10536.json"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3751697"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10536.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10536"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "HTTP/2 stream-dependency tree UAF"
}