{"cve":"CVE-2009-4448","nvd":{"published":"2009-12-29T20:41:20.453","modified":"2026-06-16T23:13:41.227","status":"Modified","description":"inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of service (CPU consumption) via a crafted request with a large year value, which triggers a long loop, as reachable through member.php and possibly other vectors.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/","http://dev.mybboard.net/issues/600","http://dev.mybboard.net/projects/mybb/repository/revisions/4613/diff/branches/1.4-stable/inc/functions_time.php","http://openwall.com/lists/oss-security/2010/10/08/7","http://openwall.com/lists/oss-security/2010/10/11/8"],"products":["mybb:mybb"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4448","score":0.01707,"percentile":0.77307,"date":"2026-11-01"},"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."]}