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class="page-header-main-menu"> <div class="menu-security-main-menu-container"><ul id="menu-security-main-menu" class="page-header-main-menu-list"><li id="menu-item-3665" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3665"><a href="https://security.opera.com/en/bug-bounty/">Bug Bounty</a></li> <li id="menu-item-4232" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4232"><a href="https://security.opera.com/en/privacy-inquiry/">Privacy Inquiry</a></li> <li id="menu-item-4231" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4231"><a href="https://security.opera.com/en/report-security-issue/">Report an Issue</a></li> <li id="menu-item-14" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-14"><a href="https://security.opera.com/en/hall-of-fame/">Hall of Fame</a></li> <li id="menu-item-1141" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-1141"><a href="https://blogs.opera.com/security/">Security Blog</a></li> </ul></div> </div> </nav> </section> </header> <main id="container"> <div class="page-holder page-layout"> <section id="content" role="main"> <header class="header"> <h1 class="entry-title">Security Advisories</h1> </header> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/cross-site-scripting-in-ofa-opera-security-advisories/">Cross-site Scripting in OfA – Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 21st, 2020</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/cross-site-scripting-in-ofa-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/address-bar-spoofing-in-opera-mini-for-android-opera-security-advisories/">Address bar spoofing in Opera Mini for Android – Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 23rd, 2020</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/address-bar-spoofing-in-opera-mini-for-android-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/address-bar-spoofing-in-opera-touch-for-ios-opera-security-advisories/">Address bar spoofing in Opera Touch for iOS – Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 13th, 2020</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/address-bar-spoofing-in-opera-touch-for-ios-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/bypass-a-restriction-in-ofa-54-opera-security-advisories/">Bypass a restriction in OfA 54 – Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 13th, 2019</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/bypass-a-restriction-in-ofa-54-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/replaced-code-signing-certificate-opera-security-advisories/">Replaced code signing certificate - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">July 4th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/replaced-code-signing-certificate-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/cookies-can-be-set-for-a-top-level-domain-opera-security-advisories/">Cookies can be set for a top-level domain - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">April 4th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/cookies-can-be-set-for-a-top-level-domain-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/rc4-encryption-protocol-is-vulnerable-to-certain-brute-force-attacks-opera-security-advisories/">RC4 encryption protocol is vulnerable to certain brute force attacks - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">April 4th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/rc4-encryption-protocol-is-vulnerable-to-certain-brute-force-attacks-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/cors-requests-can-omit-the-preflight-request-opera-security-advisories/">CORS requests can omit the preflight request - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">January 29th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/cors-requests-can-omit-the-preflight-request-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/tls-response-timings-can-indicate-network-contents-opera-security-advisories/">TLS response timings can indicate network contents - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">January 29th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/tls-response-timings-can-indicate-network-contents-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/use-of-svg-clippaths-can-allow-execution-of-arbitrary-code-opera-security-advisories/">Use of SVG clipPaths can allow execution of arbitrary code - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">January 29th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/use-of-svg-clippaths-can-allow-execution-of-arbitrary-code-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/dom-events-manipulation-might-be-used-to-execute-arbitrary-code-opera-security-advisories/">DOM events manipulation might be used to execute arbitrary code - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">January 29th, 2013</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/dom-events-manipulation-might-be-used-to-execute-arbitrary-code-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/carefully-timed-redirects-can-allow-cross-site-scripting-opera-security-advisories/">Carefully timed redirects can allow cross site scripting - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 20th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/carefully-timed-redirects-can-allow-cross-site-scripting-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/repeated-attempts-to-access-a-target-site-can-trigger-address-field-spoofing-opera-security-advisories/">Repeated attempts to access a target site can trigger address field spoofing - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 17th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/repeated-attempts-to-access-a-target-site-can-trigger-address-field-spoofing-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/private-data-can-be-disclosed-to-other-computer-users-or-be-modified-by-them-opera-security-advisories/">Private data can be disclosed to other computer users, or be modified by them - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 17th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/private-data-can-be-disclosed-to-other-computer-users-or-be-modified-by-them-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/malformed-gif-images-could-allow-execution-of-arbitrary-code-opera-security-advisories/">Malformed GIF images could allow execution of arbitrary code - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">December 17th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/malformed-gif-images-could-allow-execution-of-arbitrary-code-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/http-response-heap-buffer-overflow-can-allow-execution-of-arbitrary-code-opera-security-advisories/">HTTP response heap buffer overflow can allow execution of arbitrary code - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 19th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/http-response-heap-buffer-overflow-can-allow-execution-of-arbitrary-code-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/error-pages-can-be-used-to-guess-local-file-paths-opera-security-advisories/">Error pages can be used to guess local file paths - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 19th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/error-pages-can-be-used-to-guess-local-file-paths-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/specially-crafted-webp-images-can-be-used-to-disclose-random-chunks-of-memory-opera-security-advisories/">Specially crafted WebP images can be used to disclose random chunks of memory - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 7th, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/specially-crafted-webp-images-can-be-used-to-disclose-random-chunks-of-memory-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/cors-requests-can-incorrectly-retrieve-contents-of-cross-origin-pages-opera-security-advisories/">CORS requests can incorrectly retrieve contents of cross origin pages - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 2nd, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/cors-requests-can-incorrectly-retrieve-contents-of-cross-origin-pages-opera-security-advisories/"> Read More </a> </div> <div class="advisory-thumb"> <h2 class="advisory-thumb-title"><a href="https://security.opera.com/en/data-uris-can-be-used-to-facilitate-cross-site-scripting-opera-security-advisories/">Data URIs can be used to facilitate Cross-Site Scripting - Opera Security Advisories</a></h2> <div class="advisory-thumb-date">November 2nd, 2012</div> <a class="advisory-thumb-link" href="https://security.opera.com/en/data-uris-can-be-used-to-facilitate-cross-site-scripting-opera-security-advisories/"> Read More </a> </div> 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