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  1. 7.8CVE-2018-18913EPSS 0.4%

    Opera before 57.0.3098.106 is vulnerable to a DLL Search Order hijacking attack where an attacker can send a ZIP archive composed of an HTML page along with a malicious DLL to the target. Once the document is opened, it may allow the attac…

  2. 4.3CVE-2018-6608EPSS 3.2%

    In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP address in a STUN request.

  3. 6.1CVE-2016-4075EPSS 1.2%

    Opera Mini 13 and Opera Stable 36 allow remote attackers to spoof the displayed URL via a crafted HTML document, related to the about:blank URL.

  4. 6.1CVE-2016-6908EPSS 0.7%

    Characters from languages are such as Arabic, Hebrew are displayed from RTL (Right To Left) order in Opera 37.0.2192.105088 for Android, due to mishandling of several unicode characters such as U+FE70, U+0622, U+0623 etc and how they are r…

  5. 5.3CVE-2016-7153EPSS 13%

    The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by leveraging a web-browser configuration in whi…

  6. 3.7CVE-2015-4000EPSS 100%

    The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewri…

  7. –CVE-2014-1870EPSS 1.0%

    Opera before 19 on Mac OS X allows user-assisted remote attackers to spoof the address bar via vectors involving a drag-and-drop operation.

  8. –CVE-2014-0815EPSS 1.0%

    The intent: URL implementation in Opera before 18 on Android allows attackers to read local files by leveraging an interaction error, as demonstrated by reading stored cookies.

  9. –CVE-2013-4705EPSS 1.8%

    Cross-site scripting (XSS) vulnerability in Opera before 15.00 allows remote attackers to inject arbitrary web script or HTML by leveraging UTF-8 encoding.

  10. –CVE-2013-3211EPSS 1.7%

    Unspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe issue."

  11. –CVE-2013-3210EPSS 1.7%

    Opera before 12.15 does not properly block top-level domains in Set-Cookie headers, which allows remote attackers to obtain sensitive information by leveraging control of a different web site in the same top-level domain.

  12. –CVE-2013-1618EPSS 2.2%

    The TLS implementation in Opera before 12.13 does not properly consider timing side-channel attacks on a MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks an…

  13. –CVE-2013-1639EPSS 0.5%

    Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.

  14. –CVE-2013-1638EPSS 8.0%

    Opera before 12.13 allows remote attackers to execute arbitrary code via crafted clipPaths in an SVG document.

  15. –CVE-2013-1637EPSS 4.6%

    Opera before 12.13 allows remote attackers to execute arbitrary code via vectors involving DOM events.

  16. –CVE-2012-6472EPSS 0.3%

    Opera before 12.12 on UNIX uses weak permissions for the profile directory, which allows local users to obtain sensitive information by reading a (1) cache file, (2) password file, or (3) configuration file, or (4) possibly gain privileges…

  17. –CVE-2012-6471EPSS 1.5%

    Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP requests.

  18. –CVE-2012-6470EPSS 7.8%

    Opera before 12.12 does not properly allocate memory for GIF images, which allows remote attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a malformed image.

  19. –CVE-2012-6469EPSS 1.4%

    Opera before 12.11 allows remote attackers to determine the existence of arbitrary local files via vectors involving web script in an error page.

  20. –CVE-2012-6468EPSS 4.1%

    Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.

  21. –CVE-2012-6467EPSS 1.5%

    Opera before 12.10 follows Internet shortcuts that are referenced by a (1) IMG element or (2) other inline element, which makes it easier for remote attackers to conduct phishing attacks via a crafted web site, as exploited in the wild in …

  22. –CVE-2012-6466EPSS 1.7%

    Opera before 12.10 does not properly handle incorrect size data in a WebP image, which allows remote attackers to obtain potentially sensitive information from process memory by using a crafted image as the fill pattern for a canvas.

  23. –CVE-2012-6465EPSS 3.8%

    Opera before 12.10 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed SVG image.

  24. –CVE-2012-6464EPSS 1.4%

    Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript code that overrides methods of unspecified native objects in documents that have different…

  25. –CVE-2012-6463EPSS 1.4%

    Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via vectors involving an unspecified sequence of loading of documents and loading of data: URLs.

  26. –CVE-2012-6462EPSS 1.8%

    Opera before 12.10 does not properly implement the Cross-Origin Resource Sharing (CORS) specification, which allows remote attackers to bypass intended page-content restrictions via a crafted request.

  27. –CVE-2012-6461EPSS 0.9%

    The X.509 certificate-validation functionality in the https implementation in Opera before 12.10 allows remote attackers to trigger a false indication of successful revocation-status checking by causing a failure of a single checking servi…

  28. –CVE-2012-6460EPSS 1.9%

    Opera before 11.67 and 12.x before 12.02 allows remote attackers to cause truncation of a dialog, and possibly trigger downloading and execution of arbitrary programs, via a crafted web site.

  29. –CVE-2012-4010EPSS 1.3%

    Opera before 11.60 allows remote attackers to spoof the address bar via unspecified homograph characters, a different vulnerability than CVE-2010-2660.

  30. –CVE-2012-4146EPSS 1.5%

    Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a crafted web site, as demonstrated by the Lenovo "Shop now" page.

  31. –CVE-2012-4145EPSS 2.2%

    Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue."

  32. –CVE-2012-4144EPSS 1.2%

    Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mec…

  33. –CVE-2012-4143EPSS 1.3%

    Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a d…

  34. –CVE-2012-4142EPSS 1.2%

    Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, ignores some characters in HTML documents in unspecified circumstances, which makes it easier for remote attackers to conduct cross-site scripting …

  35. –CVE-2012-3568EPSS 0.9%

    Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted WebGL content, as demonstrated by a codeflow.org WebGL demo.

  36. –CVE-2012-3567EPSS 1.2%

    Opera before 12.00 Beta allows remote attackers to cause a denial of service (memory consumption or application hang) via an IFRAME element that uses the src="#" syntax to embed a parent document.

  37. –CVE-2012-3566EPSS 1.1%

    Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application hang) via JavaScript code that changes a form before submission.

  38. –CVE-2012-3565EPSS 1.2%

    Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted characters in domain names, as demonstrated by "IDNA2008 tests."

  39. –CVE-2012-3564EPSS 1.2%

    Opera before 12.00 Beta allows remote attackers to cause a denial of service (application hang) via an absolutely positioned wrap=off TEXTAREA element located next to an "overflow: auto" block element.

  40. –CVE-2012-3563EPSS 1.2%

    Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via a web page that contains invalid character encodings.

  41. –CVE-2012-3562EPSS 0.8%

    Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application crash) via a crafted web page that is not properly handled during a reload, as demonstrated by a "multiple origin camera test" page.

  42. –CVE-2012-3561EPSS 5.2%

    Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted string.

  43. –CVE-2012-3560EPSS 2.0%

    Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during blocked navigation, which makes it easier for remote attackers to conduct spoofing attacks by detecting and preventing attempts to load …

  44. –CVE-2012-3559EPSS 1.4%

    Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."

  45. –CVE-2012-3558EPSS 1.8%

    Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during unusually timed changes to this field, which makes it easier for user-assisted remote attackers to conduct spoofing attacks via vectors …

  46. –CVE-2012-3557EPSS 1.7%

    Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive information via a crafted web site.

  47. –CVE-2012-3556EPSS 3.7%

    Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or…

  48. –CVE-2012-3555EPSS 3.7%

    Opera before 11.65 does not ensure that keyboard sequences are associated with a visible window, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted…

  49. –CVE-2012-1251EPSS 0.6%

    Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

  50. –CVE-2012-1931EPSS 0.4%

    Opera before 11.62 on UNIX, when used in conjunction with an unspecified printing application, allows local users to overwrite arbitrary files via a symlink attack on a temporary file during printing.