{"cve":"CVE-2009-0071","nvd":{"published":"2009-01-08T19:30:11.297","modified":"2026-06-16T23:04:12.470","status":"Modified","description":"Mozilla Firefox 3.0.5 and earlier 3.0.x versions, when designMode is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a certain (a) replaceChild or (b) removeChild call, followed by a (1) queryCommandValue, (2) queryCommandState, or (3) queryCommandIndeterm call.  NOTE: it was later reported that 3.0.6 and 3.0.7 are also affected.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0220.html","http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0223.html","http://archives.neohapsis.com/archives/fulldisclosure/2009-01/0224.html","http://www.securityfocus.com/bid/33154","https://bugzilla.mozilla.org/show_bug.cgi?id=448329"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:53:23.791937413+00:00"},"epss":{"cve":"CVE-2009-0071","score":0.06586,"percentile":0.93838,"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."]}