{"id":"CVE-2011-1824","aliases":["EUVD-2011-1822","GHSA-j7qf-vq2m-64m9"],"status":"published","title":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory...","description":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.","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":"2026-11-08","score":0.05828,"percentile":0.93209,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2011-05-10T18:00:00Z","modified":"2026-06-16T23:30:11Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.toucan-system.com/advisories/tssa-2011-02.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.kb.cert.org/vuls/id/778396","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.opera.com/docs/changelogs/mac/1061/","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67338","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/47764","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/windows/1061/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/517914/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/unix/1061/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://securityreason.com/securityalert/8244","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1824"},{"url":"http://www.opera.com/docs/changelogs/mac/1061"},{"url":"http://www.opera.com/docs/changelogs/unix/1061"},{"url":"http://www.opera.com/docs/changelogs/windows/1061"},{"url":"https://github.com/advisories/GHSA-j7qf-vq2m-64m9"}],"sources":{"cve":[{"id":"CVE-2011-1824","description":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.","status":"published","published":"2011-05-10T18:00:00Z","modified":"2024-08-06T22:37:25.843Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1822","description":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.","status":"published","published":"2011-05-10T18:00:00Z","modified":"2024-08-06T22:37:25Z","updated_at":"2026-11-03T01:55:55.207376Z"}],"ghsa":[{"id":"GHSA-j7qf-vq2m-64m9","title":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory...","description":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.","status":"published","published":"2022-05-14T02:55:21Z","modified":"2025-04-11T03:47:55Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:08.691526Z"}],"nvd":[{"id":"CVE-2011-1824","description":"The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.","status":"published","published":"2011-05-10T18:55:01.687Z","modified":"2026-06-16T23:30:11.423Z","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-20"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}