{"id":"CVE-2005-0456","aliases":["EUVD-2005-0457","GHSA-qq49-j728-jmpv"],"status":"published","title":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397...","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","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":"2026-11-08","score":0.03403,"percentile":0.88938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-01-12T05:00:00Z","modified":"2026-06-16T22:11:08Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/882926","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://secunia.com/advisories/13818/","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link","Patch"]},{"url":"http://www.novell.com/linux/security/advisories/2005_31_opera.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Broken Link"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/18867","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Patch","Third Party Advisory","Vendor Advisory"]},{"url":"http://www.opera.com/linux/changelogs/754u2/","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-0456"},{"url":"http://secunia.com/advisories/13818"},{"url":"http://www.opera.com/linux/changelogs/754u2"},{"url":"https://github.com/advisories/GHSA-qq49-j728-jmpv"}],"sources":{"cve":[{"id":"CVE-2005-0456","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","status":"published","published":"2005-02-17T05:00:00Z","modified":"2024-08-07T21:13:54.224Z","updated_at":"2026-11-02T14:33:40.578358Z"}],"euvd":[{"id":"EUVD-2005-0457","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","status":"published","published":"2005-02-17T05:00:00Z","modified":"2024-08-07T21:13:54Z","updated_at":"2026-11-03T01:15:38.189773Z"}],"ghsa":[{"id":"GHSA-qq49-j728-jmpv","title":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397...","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","status":"published","published":"2022-05-01T01:49:39Z","modified":"2025-04-03T04:07:36Z","updated_at":"2026-11-02T15:00:40.646262Z"}],"nvd":[{"id":"CVE-2005-0456","description":"Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.","status":"published","published":"2005-01-12T05:00:00Z","modified":"2026-06-16T22:11:08.597Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:54.594271Z"}]}}