{"id":"CVE-2006-2723","url":"https://www.cyber-defence.io/tools/cve/CVE-2006-2723","generatedAt":"2026-10-27T19:39:31.397Z","title":"Unspecified versions of Mozilla Firefox allow remote attackers to cause a denial of service (crash) via a web page that contains a large number of nested marquee tags.","description":"Unspecified versions of Mozilla Firefox allow remote attackers to cause a denial of service (crash) via a web page that contains a large number of nested marquee tags.  NOTE: a followup post indicated that the initial report could not be verified.","published":"2006-06-01T01:02:00.000Z","lastModified":"2026-06-16T22:25:37.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["mozilla/firefox"],"epss":{"score":0.02998,"percentile":0.87259,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2006-06-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":1867,"kind":"exploit","title":"Mozilla Firefox 1.5.0.4 - 'marquee' Denial of Service","url":"https://www.exploit-db.com/exploits/1867","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/1867.html","file":"exploits/multiple/dos/1867.html","published":"2006-06-02","added":"2006-06-01","updated":null,"author":"n00b","type":"dos","platform":"multiple","port":null,"verified":true,"codes":["OSVDB-27208","CVE-2006-2723"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comFirefoxSetup1.5.0.4.exe","screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 3.0%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.securityfocus.com/archive/1/435373/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/435411/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/435882/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/436268/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/18165","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26898","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/435373/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/435411/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/435882/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/436268/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/18165","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26898","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2006-2723","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}