Opera Browser vulnerabilities

CVE-2011-2631 [MEDIUM] CWE-20 CVE-2011-2631: The Cascading Style Sheets (CSS) implementation in Opera before 11.11 does not properly handle the c The Cascading Style Sheets (CSS) implementation in Opera before 11.11 does not properly handle the column-count property, which allows remote attackers to cause a denial of service (infinite repaint loop and application hang) via a web page, as demonstrated by an unspecified Wikipedia page.

CVE-2011-1824 [MEDIUM] CWE-20 CVE-2011-1824: The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during 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 attrib

CVE-2011-0682 [CRITICAL] CWE-119 CVE-2011-0682: Integer truncation error in opera.dll in Opera before 11.01 allows remote attackers to execute arbit Integer truncation error in opera.dll in Opera before 11.01 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via an HTML form with a select element that contains a large number of children.

CVE-2011-0450 [HIGH] CVE-2011-0450: The downloads manager in Opera before 11.01 on Windows does not properly determine the pathname of t The downloads manager in Opera before 11.01 on Windows does not properly determine the pathname of the filesystem-viewing application, which allows user-assisted remote attackers to execute arbitrary code via a crafted web site that hosts an executable file.

CVE-2011-0684 [MEDIUM] CWE-20 CVE-2011-0684: Opera before 11.01 does not properly handle redirections and unspecified other HTTP responses, which Opera before 11.01 does not properly handle redirections and unspecified other HTTP responses, which allows remote web servers to obtain sufficient access to local files to use these files as page resources, and consequently obtain potentially sensitive information from the contents of the files, via an unknown response manipulation.

CVE-2011-0687 [MEDIUM] CWE-20 CVE-2011-0687: Opera before 11.01 does not properly implement Wireless Application Protocol (WAP) dropdown lists, w Opera before 11.01 does not properly implement Wireless Application Protocol (WAP) dropdown lists, which allows user-assisted remote attackers to cause a denial of service (application crash) via a crafted WAP document.

CVE-2011-0683 [MEDIUM] CWE-264 CVE-2011-0683: Opera before 11.01 does not properly restrict the use of opera: URLs, which makes it easier for remo 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-2011-0686 [MEDIUM] CVE-2011-0686: Unspecified vulnerability in Opera before 11.01 allows remote attackers to cause a denial of service Unspecified vulnerability in Opera before 11.01 allows remote attackers to cause a denial of service (application crash) via unknown content on a web page, as demonstrated by vkontakte.ru.

CVE-2011-0681 [MEDIUM] CVE-2011-0681: The Cascading Style Sheets (CSS) Extensions for XML implementation in Opera before 11.01 recognizes The Cascading Style Sheets (CSS) Extensions for XML implementation in Opera before 11.01 recognizes links to javascript: URLs in the -o-link property, which makes it easier for remote attackers to bypass CSS filtering via a crafted URL.

CVE-2011-0685 [LOW] CWE-20 CVE-2011-0685: The Delete Private Data feature in Opera before 11.01 does not properly implement the "Clear all ema 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-2010-4587 [CRITICAL] CVE-2010-4587: Opera before 11.00 on Windows does not properly implement the Insecure Third Party Module warning me Opera before 11.00 on Windows does not properly implement the Insecure Third Party Module warning message, which might make it easier for user-assisted remote attackers to have an unspecified impact via a crafted module.

CVE-2010-4581 [CRITICAL] CVE-2010-4581: Unspecified vulnerability in Opera before 11.00 has unknown impact and attack vectors, related to "a Unspecified vulnerability in Opera before 11.00 has unknown impact and attack vectors, related to "a high severity issue."

CVE-2010-4586 [CRITICAL] CVE-2010-4586: The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecif The default configuration of Opera before 11.00 enables WebSockets functionality, which has unspecified impact and remote attack vectors, possibly a related issue to CVE-2010-4508.

CVE-2010-4579 [MEDIUM] CVE-2010-4579: Opera before 11.00 does not properly constrain dialogs to appear on top of rendered documents, which 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-2010-4585 [MEDIUM] CVE-2010-4585: Unspecified vulnerability in the auto-update functionality in Opera before 11.00 allows remote attac Unspecified vulnerability in the auto-update functionality in Opera before 11.00 allows remote attackers to cause a denial of service (application crash) by triggering an Opera Unite update.

CVE-2010-4580 [MEDIUM] CWE-200 CVE-2010-4580: Opera before 11.00 does not clear WAP WML form fields after manual navigation to a new web site, whi Opera before 11.00 does not clear WAP WML form fields after manual navigation to a new web site, which allows remote attackers to obtain sensitive information via an input field that has the same name as an input field on a previously visited web site.

CVE-2010-4582 [MEDIUM] CWE-264 CVE-2010-4582: Opera before 11.00 does not properly handle security policies during updates to extensions, which mi 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-2010-4583 [LOW] CVE-2010-4583: Opera before 11.00, when Opera Turbo is enabled, does not display a page's security indication, whic Opera before 11.00, when Opera Turbo is enabled, does not display a page's security indication, which makes it easier for remote attackers to spoof trusted content via a crafted web site.

CVE-2010-4584 [LOW] CWE-310 CVE-2010-4584: Opera before 11.00, when Opera Turbo is used, does not properly present information about problemati 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-2010-4045 [CRITICAL] CWE-264 CVE-2010-4045: Opera before 10.63 does not properly restrict web script in unspecified circumstances involving relo Opera before 10.63 does not properly restrict web script in unspecified circumstances involving reloads and redirects, which allows remote attackers to spoof the Address Bar, conduct cross-site scripting (XSS) attacks, and possibly execute arbitrary code by leveraging the ability of a script to interact with a web page from (1) a different domain or