Design/Logic Flaw

Unspecified vulnerability in Opera before 11.11 allows remote attackers to cause a denial of service application crash via vectors involving a Certificate Revocation List CRL file, as demonstrated by the multicert-ca-02.crl file...

Design/Logic Flaw

Opera before 11.50 allows remote attackers to cause a denial of service application crash via a gradient with many stops, related to the implementation of CANVAS elements, SVG, and Cascading Style Sheets CSS...

Design/Logic Flaw

Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service application crash via vectors related to form layout...

Design/Logic Flaw

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...

Design/Logic Flaw

The SVG implementation in Opera before 11.50 allows remote attackers to cause a denial of service application crash via vectors involving a path on which many characters are drawn...

Code injection

Unspecified vulnerability in the Web Workers implementation in Opera before 11.50 allows remote attackers to cause a denial of service application crash via unknown vectors...

Code injection

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...

Code injection

Unspecified vulnerability in Opera before 11.50 has unknown impact and attack vectors, related to a "moderately severe issue."...

Code injection

Unspecified vulnerability in the DOM implementation 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 live.com...

Design/Logic Flaw

Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service application crash via vectors involving SVG animation...

Design/Logic Flaw

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...

Design/Logic Flaw

The Cascading Style Sheets CSS implementation in Opera before 11.10 allows remote attackers to cause a denial of service application crash via vectors involving use of the :hover pseudo-class, in conjunction with transforms, for a floated element...

Code injection

Opera before 11.50 allows remote attackers to cause a denial of service disk consumption via invalid URLs that trigger creation of error pages...

Code injection

Opera before 11.50 allows remote attackers to cause a denial of service application crash via web script that moves a 1 AUDIO element or 2 VIDEO element between windows...

CVE-2011-2609

CVE-2011-2609 affects Opera before 11.50, where data: URIs were not properly restricted, enabling remote XSS via crafted websites. This is confirmed across multiple advisories (SUSE, Gentoo GLSAs, OpenVAS plugins) citing Opera’s data: URI handling as the root cause. Impact is cross-site scripting...

CVE-2011-2637

Opera browser, prior to version 11.10, contains an unspecified vulnerability that can trigger a remote denial-of-service via crafted web content. This CVE (CVE-2011-2637) is referenced across multiple advisories (e.g., Red Hat, SUSE, Gentoo GLSA-201206-03) and OpenVAS plugins. The publicly stated...

CVE-2011-2620

CVE-2011-2620 concerns Opera before version 11.50, where an unspecified vulnerability in SVG animation could be exploited by remote attackers to cause the application to crash (DoS). The connected documents consistently describe Opera’s SVG animation vectors as the weakness, with multiple entries...

CVE-2011-2629

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-2011-1337

CVE-2011-1337 affects Opera before 11.50, where remote attackers could cause a denial of service (disk consumption) by triggering error pages from invalid URLs. Mitigation documented by Gentoo/OpenVAS advisories: upgrade to Opera 12.00.x or later (e.g., >= www-client/opera-12.00.1467). Technic...

CVE-2011-2630

CVE-2011-2630 concerns Opera browser (pre-12.x) where a user-assisted remote page can crash the app during a reload after opening the Easy Sticky Note extension popup. Affected product/version: Opera before 11.11 (as per the CVE description). The issue is a denial of service due to improper handl...