{"id":"CVE-2008-4166","aliases":["EUVD-2008-4149","GHSA-7777-pw9w-4gm5"],"status":"published","title":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote...","description":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02184,"percentile":0.82491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-189"],"published":"2008-09-22T18:00:00Z","modified":"2026-06-16T22:57:18Z","exploits":[{"source":"exploitdb","id":"EDB-32381","title":"Avant Browser 11.7 Build 9 - JavaScript Engine Integer Overflow","type":"dos","platform":"multiple","date":"2008-09-12","verified":true,"url":"https://www.exploit-db.com/exploits/32381"}],"products":[{"vendor":"avantbrowser","product":"avant_browser"}],"references":[{"url":"http://securityreason.com/securityalert/4284","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/45121","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/31155","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/496301/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4166"},{"url":"https://github.com/advisories/GHSA-7777-pw9w-4gm5"}],"sources":{"cve":[{"id":"CVE-2008-4166","description":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.","status":"published","published":"2008-09-22T18:00:00Z","modified":"2024-08-07T10:08:34.916Z","updated_at":"2026-11-02T14:34:46.587139Z"}],"euvd":[{"id":"EUVD-2008-4149","description":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.","status":"published","published":"2008-09-22T18:00:00Z","modified":"2024-08-07T10:08:34Z","updated_at":"2026-11-03T01:38:48.91451Z"}],"ghsa":[{"id":"GHSA-7777-pw9w-4gm5","title":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote...","description":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.","status":"published","published":"2022-05-02T00:07:35Z","modified":"2023-01-31T05:07:35Z","updated_at":"2026-11-02T14:49:14.096889Z"}],"nvd":[{"id":"CVE-2008-4166","description":"Integer overflow in the JavaScript engine in Avant Browser 11.7 Build 9 and earlier allows remote attackers to cause a denial of service (application crash) by attempting to URL encode a string containing many instances of an invalid character.","status":"published","published":"2008-09-22T18:34:16.67Z","modified":"2026-06-16T22:57:18.057Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:28.625777Z"}]}}