{"id":"CVE-2009-2535","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2535","generatedAt":"2026-10-27T18:44:59.562Z","title":"Mozilla Firefox before 2.0.0.19 and 3.x before 3.0.5, SeaMonkey, and Thunderbird allow remote attackers to cause a denial of service (memory consumption and application crash) via a large integer value for the length property of a Select object, a…","description":"Mozilla Firefox before 2.0.0.19 and 3.x before 3.0.5, SeaMonkey, and Thunderbird allow remote attackers to cause a denial of service (memory consumption and application crash) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.","published":"2009-07-20T18:30:01.000Z","lastModified":"2026-06-16T23:09:39.000Z","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":["CWE-189"],"affected":["mozilla/firefox","mozilla/seamonkey","mozilla/thunderbird"],"epss":{"score":0.09361,"percentile":0.95357,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2009-07-15","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":9160,"kind":"exploit","title":"Multiple Browsers - Denial of Service","url":"https://www.exploit-db.com/exploits/9160","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/9160.txt","file":"exploits/multiple/dos/9160.txt","published":"2009-07-15","added":"2009-07-14","updated":null,"author":"Thierry Zoller","type":"dos","platform":"multiple","port":null,"verified":true,"codes":["OSVDB-56253","CVE-2009-2535"],"tags":null,"aliases":null,"applicationUrl":null,"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 9.4%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.exploit-db.com/exploits/9160","source":"cve@mitre.org"},{"url":"http://www.g-sec.lu/one-bug-to-rule-them-all.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/504969/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/504988/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/504989/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/505006/100/0/threaded","source":"cve@mitre.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=460713","source":"cve@mitre.org"},{"url":"http://www.exploit-db.com/exploits/9160","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.g-sec.lu/one-bug-to-rule-them-all.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/504969/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/504988/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/504989/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/505006/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=460713","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2535","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."}