{"cve":"CVE-2004-0492","nvd":{"published":"2004-08-06T04:00:00.000","modified":"2026-06-16T22:05:44.587","status":"Modified","description":"Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a denial of service (process crash) and possibly execute arbitrary code via a negative Content-Length HTTP header field, which causes a large amount of data to be copied.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["ftp://patches.sgi.com/support/free/security/advisories/20040605-01-U.asc","http://marc.info/?l=bugtraq&m=108711172710140&w=2","http://marc.info/?l=bugtraq&m=130497311408250&w=2","http://rhn.redhat.com/errata/RHSA-2004-245.html","http://seclists.org/lists/fulldisclosure/2004/Jun/0296.html"],"products":["apache:http_server","hp:virtualvault","hp:vvos","hp:webproxy","ibm:http_server","openbsd:openbsd","sgi:propack"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-0492","score":0.33639,"percentile":0.98385,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}