{"cve":"CVE-2010-0220","nvd":{"published":"2010-01-07T19:30:00.403","modified":"2026-06-16T23:15:44.137","status":"Modified","description":"The nsObserverList::FillObserverArray function in xpcom/ds/nsObserverList.cpp in Mozilla Firefox before 3.5.7 allows remote attackers to cause a denial of service (application crash) via a crafted web site that triggers memory consumption and an accompanying Low Memory alert dialog, and also triggers attempted removal of an observer from an empty observers array.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://hg.mozilla.org/mozilla-central/rev/51396f6c9f20","http://isc.sans.org/diary.html?storyid=7897","http://www.mandriva.com/security/advisories?name=MDVSA-2010:000","http://www.mozilla.com/en-US/firefox/3.5.7/releasenotes/","https://bugzilla.mozilla.org/show_bug.cgi?id=507114"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2010-0220","score":0.01464,"percentile":0.7364,"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."]}