Opera Browser vulnerabilities

CVE-2012-6462 [MEDIUM] CWE-264 CVE-2012-6462: Opera before 12.10 does not properly implement the Cross-Origin Resource Sharing (CORS) specificatio 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.

CVE-2012-6464 [MEDIUM] CWE-79 CVE-2012-6464: Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arb 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 origins.

CVE-2012-6463 [MEDIUM] CWE-79 CVE-2012-6463: Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arb 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.

CVE-2012-6460 [MEDIUM] CVE-2012-6460: Opera before 11.67 and 12.x before 12.02 allows remote attackers to cause truncation of a dialog, an 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.

CVE-2012-6471 [MEDIUM] CVE-2012-6471: Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP reques Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP requests.

CVE-2012-6461 [MEDIUM] CWE-20 CVE-2012-6461: The X.509 certificate-validation functionality in the https implementation in Opera before 12.10 all 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 service.

CVE-2012-4010 [MEDIUM] CVE-2012-4010: Opera before 11.60 allows remote attackers to spoof the address bar via unspecified homograph charac Opera before 11.60 allows remote attackers to spoof the address bar via unspecified homograph characters, a different vulnerability than CVE-2010-2660.

CVE-2012-4145 [CRITICAL] CVE-2012-4145: Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x befor 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-2012-4143 [MEDIUM] CVE-2012-4143: Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows u 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 different vulnerability than CVE-2012-1924.

CVE-2012-4146 [MEDIUM] CWE-119 CVE-2012-4146: Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a cr 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.

CVE-2012-4144 [MEDIUM] CWE-79 CVE-2012-4144: Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not 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 mechanisms via a crafted HTML document.

CVE-2012-4142 [MEDIUM] CWE-79 CVE-2012-4142: Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, ignores 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 (XSS) attacks via a crafted document.

CVE-2012-3561 [CRITICAL] CWE-119 CVE-2012-3561: Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers 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.

CVE-2012-3559 [CRITICAL] CVE-2012-3559: Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, r Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."

CVE-2012-3556 [CRITICAL] CWE-20 CVE-2012-3556: Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the firs 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-2012-3555 [HIGH] CVE-2012-3555: Opera before 11.65 does not ensure that keyboard sequences are associated with a visible window, whi 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 web site, related to a "hidden keyboard navigation" issue.

CVE-2012-3563 [MEDIUM] CVE-2012-3563: Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via 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.

CVE-2012-3562 [MEDIUM] CVE-2012-3562: Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (applicat 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-2012-3568 [MEDIUM] CVE-2012-3568: Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via 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.

CVE-2012-3560 [MEDIUM] CWE-264 CVE-2012-3560: Opera before 11.65 does not ensure that the address field corresponds to the displayed web page duri 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 a different web page.