{
  "entrypoint_kind": "tcp_peer",
  "entrypoint_detail": "HTTP GET request to nginx TCP listener with charset_map utf-8 windows-1251 config",
  "service_started": true,
  "healthcheck_passed": true,
  "target_path_reached": true,
  "runtime_stack": [
    "nginx/1.31.3 (vulnerable: pre-fix commit 8f3465ac7)",
    "nginx/1.31.3 (fixed: commit 29c23ad84)"
  ],
  "proof_artifacts": [
    "logs/vuln_error_1.log",
    "logs/vuln_error_2.log",
    "logs/vuln_conf_1.conf",
    "logs/vuln_conf_2.conf",
    "logs/fixed_test_1.log",
    "logs/fixed_test_2.log",
    "logs/vuln_config_accept.log"
  ],
  "notes": "Vulnerable nginx worker segfaults (signal 11/SIGSEGV) when processing HTTP request with charset_map utf-8 in first column. Fixed version rejects the config at parse time. Vuln segfaults: 2/2, Fixed rejections: 2/2."
}