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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
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 unknown content on a web page, as demonstrated by progorod.ru.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Unspecified vulnerability in the printing functionality in Opera before 11.50 allows user-assisted remote attackers to cause a denial of service (application crash) via a crafted web page.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in Opera before 11.50 has unknown impact and attack vectors, related to a "moderately severe issue."
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera before 11.50 does not properly restrict data: URIs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.
1Opera
1Opera Browser
Apr 29, 2026
Jul 1, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera before 11.50 allows remote attackers to cause a denial of service (disk consumption) via invalid URLs that trigger creation of error pages.
1Opera
1Opera Browser
Apr 29, 2026
May 10, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 o...Show more
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 attribute value.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
2.1 LOW· v2
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 unatte...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 conseque...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
9.3 HIGH· v2
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...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 vi...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 31, 2011
N/A· v4
N/A· v3
7.6 HIGH· v2
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 w...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
9.3 HIGH· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
10.0 HIGH· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
2.6 LOW· v2
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...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
2.6 LOW· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Dec 22, 2010
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.