HTTP/2 upload Use-After-Free

{
  "id": "21001d71706c3433a9b9a79fd0f40220bfaa2a2d6f50738aa2612b9e2f94e54e",
  "url": "https://osv.dev/vulnerability/CURL-CVE-2026-92392",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "HTTP/2 upload Use-After-Free",
    "summary": "During an upload, curl mishandles HTTP/2 `RST_STREAM` received from the server (with reason `HTTP_1_1_REQUIRED` or `REFUSED_STREAM`) leading to a use after free of a `struct Curl_easy` object.",
    "evidence": "osv:CURL-CVE-2026-92392",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CURL-CVE-2026-92392",
      "aliases": [
        "CURL-CVE-2026-92392",
        "CVE-2026-92392"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "8.12.0"
                },
                {
                  "fixed": "8.14.3"
                },
                {
                  "introduced": "8.15.0"
                },
                {
                  "fixed": "8.16.2"
                },
                {
                  "introduced": "8.17.0"
                },
                {
                  "fixed": "8.20.2"
                },
                {
                  "introduced": "8.21.0"
                },
                {
                  "fixed": "8.23.0"
                }
              ]
            },
            {
              "repo": "https://github.com/curl/curl.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cd9107e0128191b7b5396b9eb81bbd20c2d36755"
                },
                {
                  "fixed": "8b0744af5b1b631da5b938ca31c3f9895ad5a321"
                }
              ]
            }
          ],
          "versions": [
            "8.22.0",
            "8.21.0",
            "8.20.0",
            "8.19.0",
            "8.18.0",
            "8.17.0",
            "8.16.0",
            "8.15.0",
            "8.14.1",
            "8.14.0",
            "8.13.0",
            "8.12.1",
            "8.12.0",
            "rc-8_23_0-3",
            "rc-8_23_0-2",
            "rc-8_23_0-1",
            "curl-8_22_0",
            "rc-8_22_0-3",
            "rc-8_22_0-2",
            "rc-8_22_0-1",
            "curl-8_21_0",
            "rc-8_21_0-3",
            "rc-8_21_0-2",
            "rc-8_21_0-1",
            "curl-8_20_0",
            "rc-8_20_0-3",
            "rc-8_20_0-2",
            "rc-8_20_0-1",
            "curl-8_19_0",
            "rc-8_19_0-3",
            "rc-8_19_0-2",
            "rc-8_19_0-1",
            "curl-8_18_0",
            "rc-8_18_0-3",
            "rc-8_18_0-2",
            "rc-8_18_0-1",
            "curl-8_17_0",
            "curl-8_16_0",
            "curl-8_15_0",
            "curl-8_14_1",
            "curl-8_14_0",
            "curl-8_13_0",
            "curl-8_12_1",
            "curl-8_12_0"
          ],
          "database_specific": {
            "source": "https://curl.se/docs/CURL-CVE-2026-92392.json",
            "vanir_signatures": [
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                "id": "CURL-CVE-2026-92392-85f53260",
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                "source": "https://github.com/curl/curl.git/commit/8b0744af5b1b631da5b938ca31c3f9895ad5a321",
                "target": {
                  "file": "lib/multi.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              },
              {
                "id": "CURL-CVE-2026-92392-ae3da486",
                "digest": {
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                "target": {
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            "vanir_signatures_modified": "2026-10-25T01:05:45Z"
          }
        }
      ],
      "modified": "2026-10-25T01:05:45.029046387Z",
      "provider": "osv",
      "references": [],
      "provider_metadata": {
        "CWE": {
          "id": "CWE-416",
          "desc": "Use After Free"
        },
        "URL": "https://curl.se/docs/CVE-2026-92392.json",
        "www": "https://curl.se/docs/CVE-2026-92392.html",
        "issue": "https://hackerone.com/reports/4030333",
        "affects": "both",
        "package": "curl",
        "severity": "High",
        "last_affected": "8.22.0"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-92392",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 444425,
  "published_at": "2026-10-14T08:00:00+00:00"
}