Vulnerabilities (CVE)

Filtered by vendor Opera Subscribe
Total 311 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2010-2662 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 10.60 allows remote attackers to bypass the popup blocker via a javascript: URL and a "fake click."
CVE-2012-3556 1 Opera 1 Opera Browser 2025-04-11 9.3 HIGH N/A
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 execute arbitrary code via a crafted web site.
CVE-2012-1251 1 Opera 1 Opera Browser 2025-04-11 5.8 MEDIUM N/A
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.
CVE-2010-4582 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.00 does not properly handle security policies during updates to extensions, which might allow remote attackers to bypass intended access restrictions via unspecified vectors.
CVE-2012-1003 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Multiple integer overflows in Opera 11.60 and earlier allow remote attackers to cause a denial of service (application crash) via a large integer argument to the (1) Int32Array, (2) Float32Array, (3) Float64Array, (4) Uint32Array, (5) Int16Array, or (6) ArrayBuffer function. NOTE: the vendor reportedly characterizes this as "a stability issue, not a security issue."
CVE-2012-1931 2 Opera, Unix 2 Opera Browser, Unix 2025-04-11 4.6 MEDIUM N/A
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.
CVE-2010-4579 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.00 does not properly constrain dialogs to appear on top of rendered documents, which makes it easier for remote attackers to trick users into interacting with a crafted web site that spoofs the (1) security information dialog or (2) download dialog.
CVE-2010-3019 1 Opera 1 Opera Browser 2025-04-11 9.3 HIGH N/A
Heap-based buffer overflow in Opera before 10.61 allows remote attackers to execute arbitrary code or cause a denial of service (application crash or hang) via vectors related to HTML5 canvas painting operations that occur during the application of transformations.
CVE-2010-4584 1 Opera 1 Opera Browser 2025-04-11 2.6 LOW N/A
Opera before 11.00, when Opera Turbo is used, does not properly present information about problematic X.509 certificates on https web sites, which might make it easier for remote attackers to spoof trusted content via a crafted web site.
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-2011-2632 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.11 does not properly handle destruction of a Silverlight instance, which allows remote attackers to cause a denial of service (application crash) via a web page, as demonstrated by vod.onet.pl.
CVE-2010-4043 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 10.63 does not prevent interpretation of a cross-origin document as a CSS stylesheet when the document lacks a CSS token sequence, which allows remote attackers to obtain sensitive information via a crafted document.
CVE-2011-1337 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.50 allows remote attackers to cause a denial of service (disk consumption) via invalid URLs that trigger creation of error pages.
CVE-2011-2612 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 (application crash) via unknown content on a web page, as demonstrated by progorod.ru.
CVE-2010-4049 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 10.63 allows remote attackers to cause a denial of service (application crash) via a Flash movie with a transparent Window Mode (aka wmode) property, which is not properly handled during navigation away from the containing HTML document.
CVE-2012-1925 1 Opera 1 Opera Browser 2025-04-11 6.8 MEDIUM N/A
Opera before 11.62 does not ensure that a dialog window is placed on top of content windows, which makes it easier for user-assisted remote attackers to trick users into downloading and executing arbitrary files via a download dialog located under other windows.
CVE-2011-2640 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.10 allows remote attackers to cause a denial of service (application crash) via an HTML document that has an empty parameter value for an embedded Java applet.
CVE-2010-4044 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.
CVE-2010-1310 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera 10.50 allows remote attackers to obtain sensitive information via crafted XSLT constructs, which cause Opera to return cached contents of other pages.
CVE-2009-4071 1 Opera 1 Opera Browser 2025-04-09 5.8 MEDIUM N/A
Opera before 10.10, when exception stacktraces are enabled, places scripting error messages from a web site into variables that can be read by a different web site, which allows remote attackers to obtain sensitive information or conduct cross-site scripting (XSS) attacks via unspecified vectors.