{"cve":"CVE-2007-1863","nvd":{"published":"2007-06-27T17:30:00.000","modified":"2026-06-16T22:38:27.207","status":"Modified","description":"cache_util.c in the mod_cache module in Apache HTTP Server (httpd), when caching is enabled and a threaded Multi-Processing Module (MPM) is used, allows remote attackers to cause a denial of service (child processing handler crash) via a request with the (1) s-maxage, (2) max-age, (3) min-fresh, or (4) max-stale Cache-Control headers without a value.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://bugs.gentoo.org/show_bug.cgi?id=186219","http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244658","http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01178795","http://httpd.apache.org/security/vulnerabilities_20.html","http://httpd.apache.org/security/vulnerabilities_22.html"],"products":["apache:http_server","apple:mac_os_x_server"],"source":"nvd","synced_at":"2026-10-19T19:46:28.846926071+00:00"},"epss":{"cve":"CVE-2007-1863","score":0.11786,"percentile":0.96081,"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."]}