{"id":"CVE-2007-6523","aliases":["EUVD-2007-6489","GHSA-v6p3-rj7x-93p6"],"status":"published","title":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote...","description":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02055,"percentile":0.81419,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189","CWE-399"],"published":"2007-12-24T20:00:00Z","modified":"2026-06-16T22:48:15Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://secunia.com/advisories/28314","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://securityreason.com/securityalert/3482","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00001.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/4261","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/484605/100/200/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26721","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6523"},{"url":"https://github.com/advisories/GHSA-v6p3-rj7x-93p6"}],"sources":{"cve":[{"id":"CVE-2007-6523","description":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.","status":"published","published":"2007-12-24T20:00:00Z","modified":"2024-08-07T16:11:06.062Z","updated_at":"2026-11-02T13:33:07.91528Z"}],"euvd":[{"id":"EUVD-2007-6489","description":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.","status":"published","published":"2007-12-24T20:00:00Z","modified":"2024-08-07T16:11:06Z","updated_at":"2026-11-03T01:16:12.278875Z"}],"ghsa":[{"id":"GHSA-v6p3-rj7x-93p6","title":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote...","description":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.","status":"published","published":"2022-05-01T18:43:48Z","modified":"2023-01-31T05:05:07Z","updated_at":"2026-11-02T14:48:47.703585Z"}],"nvd":[{"id":"CVE-2007-6523","description":"Algorithmic complexity vulnerability in Opera 9.50 beta and 9.x before 9.25 allows remote attackers to cause a denial of service (CPU consumption) via a crafted bitmap (BMP) file that triggers a large number of calculations and checks.","status":"published","published":"2007-12-24T20:46:00Z","modified":"2026-06-16T22:48:15.653Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189","CWE-399"],"updated_at":"2026-11-02T14:01:24.110006Z"}]}}