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Opera Browser

opera_browser

Vendor: Opera • 282 CVEs

CVEs (282)

CVE
VENDORS
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UPDATED
PUBLISHED
CVSS
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera before 11.11 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 occurring after the opening of a popup of the...Show more
Opera before 11.11 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 occurring after the opening of a popup of the Easy Sticky Note extension.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Opera before 11.11 does not properly implement FRAMESET elements, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors related to page unload.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.50 allows remote attackers to cause a denial of service (application crash) by using "injected script" to set the SRC attribute of an IFRAME element.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via a SELECT element that contains many OPTION elements.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera before 11.50 allows user-assisted remote attackers to cause a denial of service (application hang) via a large table, which is not properly handled during a print preview.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in the SVG BiDi implementation in Opera before 11.50 allows remote attackers to cause a denial of service (application crash or hang) via unknown vectors.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors related to form layout.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors involving SVG animation.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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).
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors related to selecting a text node, and closed pop-up windows, removed pop-up windows, an...Show more
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors related to selecting a text node, and closed pop-up windows, removed pop-up windows, and IFRAME elements.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (memory consumption) via unknown content on a web page, as demonstrated by test262.ecmascript.org.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application hang) via unknown content on a web page, as demonstrated by domiteca.com.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Array.prototype.join method in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via a non-array object that contains initial holes.