Vulnerabilities (CVE)

Filtered by vendor Opera Subscribe
Filtered by product Opera Browser
Total 285 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2011-2616 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (memory consumption) via unknown content on a web page, as demonstrated by test262.ecmascript.org.
CVE-2011-0683 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.01 does not properly restrict the use of opera: URLs, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
CVE-2011-2639 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.10 does not properly handle hidden animated GIF images, which allows remote attackers to cause a denial of service (CPU consumption) via an image file that triggers continual repaints.
CVE-2011-3389 9 Canonical, Debian, Google and 6 more 17 Ubuntu Linux, Debian Linux, Chrome and 14 more 2025-04-11 4.3 MEDIUM N/A
The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.
CVE-2012-3566 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
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.
CVE-2011-2609 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.50 does not properly restrict data: URIs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
CVE-2010-2660 4 Apple, Microsoft, Opera and 1 more 4 Mac Os X, Windows, Opera Browser and 1 more 2025-04-11 4.3 MEDIUM N/A
Opera before 10.54 on Windows and Mac OS X, and before 10.60 on UNIX platforms, does not properly restrict certain uses of homograph characters in domain names, which makes it easier for remote attackers to spoof IDN domains via unspecified choices of characters.
CVE-2012-3562 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
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.
CVE-2011-0685 1 Opera 1 Opera Browser 2025-04-11 2.1 LOW N/A
The Delete Private Data feature in Opera before 11.01 does not properly implement the "Clear all email account passwords" option, which might allow physically proximate attackers to access an e-mail account via an unattended workstation.
CVE-2011-2629 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in Opera before 11.11 allows remote attackers to cause a denial of service (application crash) via unknown content on a web page, as demonstrated by www.falk.de.
CVE-2011-4686 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in the Web Workers implementation in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unknown vectors.
CVE-2011-2610 1 Opera 1 Opera Browser 2025-04-11 10.0 HIGH N/A
Unspecified vulnerability in Opera before 11.50 has unknown impact and attack vectors, related to a "moderately severe issue."
CVE-2011-4690 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera 11.60 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.
CVE-2012-3565 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
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."
CVE-2012-3564 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
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.
CVE-2012-4145 4 Apple, Linux, Microsoft and 1 more 4 Mac Os X, Linux Kernel, Windows and 1 more 2025-04-11 10.0 HIGH N/A
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."
CVE-2012-3559 2 Apple, Opera 2 Mac Os X, Opera Browser 2025-04-11 10.0 HIGH N/A
Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."
CVE-2012-6466 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
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.
CVE-2010-3020 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
The news-feed preview feature in Opera before 10.61 does not properly remove scripts, which allows remote attackers to force subscriptions to arbitrary feeds via crafted content.
CVE-2010-0653 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 10.10 permits cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.