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Opera Browser

opera_browser

Vendor: Opera • 282 CVEs

CVEs (282)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 ca...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 preventin...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
2.6 LOW· v2
Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during unusually timed changes to this field, which makes it easier for user-assisted remote attackers to conduct spoofing a...Show more
Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during unusually timed changes to this field, which makes it easier for user-assisted remote attackers to conduct spoofing attacks via vectors involving navigation, reloads, and redirects.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive information via a crafted web s...Show more
Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive information via a crafted web site.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
9.3 HIGH· v2
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 scripti...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
7.6 HIGH· v2
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...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Opera before 11.62 on UNIX, when used in conjunction with an unspecified printing application, allows local users to overwrite arbitrary files via a symlink attack on a temporary file during printing.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Opera before 11.62 on UNIX uses world-readable permissions for temporary files during printing, which allows local users to obtain sensitive information by reading these files.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
6.4 MEDIUM· v2
Opera before 11.62 on Mac OS X allows remote attackers to spoof the address field and security dialogs via crafted styling that causes page content to be displayed outside of the intended content area.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
6.4 MEDIUM· v2
Opera before 11.62 allows remote attackers to spoof the address field by triggering a page reload followed by a redirect to a different domain.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
6.4 MEDIUM· v2
Opera before 11.62 allows remote attackers to spoof the address field by triggering the launch of a dialog window associated with a different domain.
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.62 allows remote attackers to bypass the Same Origin Policy via the (1) history.pushState and (2) history.replaceState functions in conjunction with cross-domain frames, leading to unintended read access...Show more
Opera before 11.62 allows remote attackers to bypass the Same Origin Policy via the (1) history.pushState and (2) history.replaceState functions in conjunction with cross-domain frames, leading to unintended read access to history.state information.Show less
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Opera before 11.62 does not ensure that a dialog window is placed on top of content windows, which makes it easier for user-assisted remote attackers to trick users into downloading and executing arbitrary files via a do...Show more
Opera before 11.62 does not ensure that a dialog window is placed on top of content windows, which makes it easier for user-assisted remote attackers to trick users into downloading and executing arbitrary files via a download dialog located under other windows.Show less
1Opera
1Opera Browser
Apr 29, 2026
Mar 28, 2012
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Opera before 11.62 allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog.
1Opera
1Opera Browser
Apr 29, 2026
Feb 7, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Multiple integer overflows in Opera 11.60 and earlier allow remote attackers to cause a denial of service (application crash) via a large integer argument to the (1) Int32Array, (2) Float32Array, (3) Float64Array, (4) Ui...Show more
Multiple integer overflows in Opera 11.60 and earlier allow remote attackers to cause a denial of service (application crash) via a large integer argument to the (1) Int32Array, (2) Float32Array, (3) Float64Array, (4) Uint32Array, (5) Int16Array, or (6) ArrayBuffer function. NOTE: the vendor reportedly characterizes this as "a stability issue, not a security issue."Show less
1Opera
1Opera Browser
Apr 29, 2026
Dec 7, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera 11.60 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists...Show more
Opera 11.60 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.Show less
1Opera
1Opera Browser
Apr 29, 2026
Dec 7, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.60 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified content on a web page, as demonstrated by a page under the cisco.com home page.