{
  "canonical_id": "nginx--CVE-2013-2028",
  "system_id": "nginx",
  "display_name": "Nginx",
  "category": "servers",
  "advisory_mode": "server",
  "title": "CVE-2013-2028",
  "summary": "The ngx_http_parse_chunked function in http/ngx_http_parse.c in nginx 1.3.9 through 1.4.0 allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a chunked Transfer-Encoding request with a large chunk size, which triggers an integer signedness error and a stack-based buffer overflow.",
  "published_at": "2013-07-20T03:37:20.730",
  "updated_at": "2025-04-11T00:51:21.963",
  "severity": "high",
  "cvss_score": 7.5,
  "exploit_status": "unknown",
  "source_confidence": "official",
  "official_source_url": "http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105176.html",
  "secondary_source_urls": [
    "http://mailman.nginx.org/pipermail/nginx-announce/2013/000112.html",
    "http://nginx.org/download/patch.2013.chunked.txt",
    "http://packetstormsecurity.com/files/121675/Nginx-1.3.9-1.4.0-Denial-Of-Service.html",
    "http://secunia.com/advisories/55181",
    "http://security.gentoo.org/glsa/glsa-201310-04.xml",
    "http://www.osvdb.org/93037",
    "http://www.securityfocus.com/bid/59699",
    "http://www.vnsecurity.net/2013/05/analysis-of-nginx-cve-2013-2028/",
    "https://github.com/rapid7/metasploit-framework/pull/1834"
  ],
  "aliases": [
    "CVE-2013-2028"
  ],
  "cve_ids": [
    "CVE-2013-2028"
  ],
  "ghsa_ids": [],
  "osv_ids": [],
  "affected_versions": [],
  "fixed_versions": [],
  "package_name": null,
  "render_markdown": false,
  "case_path": null,
  "secure_code_topics": [
    "proxy-trust-boundary",
    "request-smuggling-boundary",
    "csp-trusted-types"
  ],
  "status": "triage",
  "triage_reasons": [
    "missing affected/fixed version details"
  ],
  "verification_status": "triage-manual",
  "verification_mode": "synthetic",
  "last_verified_at": null,
  "last_run_id": null,
  "evidence_bundle": null,
  "historical_status": null,
  "latest_status": null,
  "browser_evidence": {
    "required": false,
    "present": false,
    "refs": []
  },
  "repro_profile_id": "proxy-boundary-generic",
  "artifact_mode": "official-image",
  "blocked_reason": null,
  "metadata": {
    "source_names": [
      "NVD NGINX"
    ],
    "source_kinds": [
      "nvd-search"
    ],
    "candidate_count": 1
  }
}