Opera: >> Opera Browser >> 11.0 Security Vulnerabilities
Opera before 12.12 does not properly allocate memory for GIF images, which allows remote attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a malformed image.
CVSS Score
9.3
EPSS Score
0.364
Published
2013-01-02
Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP requests.
CVSS Score
5.0
EPSS Score
0.002
Published
2013-01-02
Opera before 12.12 on UNIX uses weak permissions for the profile directory, which allows local users to obtain sensitive information by reading a (1) cache file, (2) password file, or (3) configuration file, or (4) possibly gain privileges by modifying or overwriting a configuration file.
CVSS Score
4.6
EPSS Score
0.0
Published
2013-01-02
Opera before 11.67 and 12.x before 12.02 allows remote attackers to cause truncation of a dialog, and possibly trigger downloading and execution of arbitrary programs, via a crafted web site.
CVSS Score
5.0
EPSS Score
0.007
Published
2013-01-02
Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response.
CVSS Score
9.3
EPSS Score
0.081
Published
2013-01-02
Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.
CVSS Score
6.8
EPSS Score
0.007
Published
2012-08-06
Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass cross-site scripting (XSS) protection mechanisms via a crafted HTML document.
CVSS Score
4.3
EPSS Score
0.01
Published
2012-08-06
Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue."
CVSS Score
10.0
EPSS Score
0.004
Published
2012-08-06
Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a crafted web site, as demonstrated by the Lenovo "Shop now" page.
CVSS Score
4.3
EPSS Score
0.005
Published
2012-08-06
Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, ignores some characters in HTML documents in unspecified circumstances, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document.
CVSS Score
4.3
EPSS Score
0.004
Published
2012-08-06