{"cve":"CVE-2004-0493","nvd":{"published":"2004-08-06T04:00:00.000","modified":"2026-06-16T22:05:44.840","status":"Modified","description":"The ap_get_mime_headers_core function in Apache httpd 2.0.49 allows remote attackers to cause a denial of service (memory exhaustion), and possibly an integer signedness error leading to a heap-based buffer overflow on 64 bit systems, via long header lines with large numbers of space or tab characters.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://lists.grok.org.uk/pipermail/full-disclosure/2004-June/023133.html","http://marc.info/?l=bugtraq&m=108853066800184&w=2","http://marc.info/?l=bugtraq&m=109181600614477&w=2","http://security.gentoo.org/glsa/glsa-200407-03.xml","http://www.apacheweek.com/features/security-20"],"products":["apache:http_server","avaya:converged_communications_server","avaya:s8300","avaya:s8500","avaya:s8700","gentoo:linux","ibm:http_server","trustix:secure_linux"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-0493","score":0.84784,"percentile":0.99708,"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."]}