Opera: >> Opera Browser >> 1.00 Security Vulnerabilities
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.
CVSS Score
2.6
EPSS Score
0.003
Published
2012-06-14
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.
CVSS Score
4.3
EPSS Score
0.007
Published
2012-06-14
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.
CVSS Score
10.0
EPSS Score
0.102
Published
2012-06-14
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.
CVSS Score
4.3
EPSS Score
0.004
Published
2012-06-14
Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via a web page that contains invalid character encodings.
CVSS Score
5.0
EPSS Score
0.004
Published
2012-06-14
Opera before 12.00 Beta allows remote attackers to cause a denial of service (application hang) via an absolutely positioned wrap=off TEXTAREA element located next to an "overflow: auto" block element.
CVSS Score
5.0
EPSS Score
0.005
Published
2012-06-14
Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted characters in domain names, as demonstrated by "IDNA2008 tests."
CVSS Score
5.0
EPSS Score
0.005
Published
2012-06-14
Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application hang) via JavaScript code that changes a form before submission.
CVSS Score
4.3
EPSS Score
0.004
Published
2012-06-14
Opera before 12.00 Beta allows remote attackers to cause a denial of service (memory consumption or application hang) via an IFRAME element that uses the src="#" syntax to embed a parent document.
CVSS Score
5.0
EPSS Score
0.005
Published
2012-06-14
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.
CVSS Score
7.6
EPSS Score
0.056
Published
2012-06-14