{"id":"CVE-2009-3044","aliases":["EUVD-2009-3028","GHSA-63x4-39mf-5c4v"],"status":"published","title":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard...","description":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01006,"percentile":0.63257,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2009-09-02T17:00:00Z","modified":"2026-06-16T23:10:47Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.opera.com/docs/changelogs/freebsd/1000/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6444","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/solaris/1000/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/linux/1000/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/windows/1000/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/support/kb/view/934/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.opera.com/docs/changelogs/mac/1000/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3044"},{"url":"http://www.opera.com/docs/changelogs/freebsd/1000"},{"url":"http://www.opera.com/docs/changelogs/linux/1000"},{"url":"http://www.opera.com/docs/changelogs/mac/1000"},{"url":"http://www.opera.com/docs/changelogs/solaris/1000"},{"url":"http://www.opera.com/docs/changelogs/windows/1000"},{"url":"http://www.opera.com/support/kb/view/934"},{"url":"https://github.com/advisories/GHSA-63x4-39mf-5c4v"}],"sources":{"cve":[{"id":"CVE-2009-3044","description":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","status":"published","published":"2009-09-02T17:00:00Z","modified":"2024-08-07T06:14:55.461Z","updated_at":"2026-11-02T14:33:23.749891Z"}],"euvd":[{"id":"EUVD-2009-3028","description":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","status":"published","published":"2009-09-02T17:00:00Z","modified":"2024-08-07T06:14:55Z","updated_at":"2026-11-03T01:39:15.098818Z"}],"ghsa":[{"id":"GHSA-63x4-39mf-5c4v","title":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard...","description":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","status":"published","published":"2022-05-02T03:41:20Z","modified":"2025-04-09T04:14:52Z","updated_at":"2026-11-02T15:01:01.075702Z"}],"nvd":[{"id":"CVE-2009-3044","description":"Opera before 10.00 does not properly handle a (1) '\\0' character or (2) invalid wildcard character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.","status":"published","published":"2009-09-02T17:30:00.967Z","modified":"2026-06-16T23:10:47.387Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:01:36.596719Z"}]}}