Vulnerabilities (CVE)

Filtered by vendor Opera Subscribe
Filtered by product Opera Browser
Total 285 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2009-3049 1 Opera 1 Opera Browser 2026-04-23 5.0 MEDIUM N/A
Opera before 10.00 does not properly display all characters in Internationalized Domain Names (IDN) in the address bar, which allows remote attackers to spoof URLs and conduct phishing attacks, related to Unicode and Punycode.
CVE-2008-1762 1 Opera 1 Opera Browser 2026-04-23 9.3 HIGH N/A
Opera before 9.27 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted scaled image pattern in an HTML CANVAS element, which triggers memory corruption.
CVE-2009-3047 1 Opera 1 Opera Browser 2026-04-23 4.3 MEDIUM N/A
Opera before 10.00, when a collapsed address bar is used, does not properly update the domain name from the previously visited site to the currently visited site, which might allow remote attackers to spoof URLs.
CVE-2008-5682 1 Opera 1 Opera Browser 2026-04-23 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in Opera before 9.63 allows remote attackers to inject arbitrary web script or HTML via built-in XSLT templates.
CVE-2009-0914 1 Opera 1 Opera Browser 2026-04-23 9.3 HIGH N/A
Opera before 9.64 allows remote attackers to execute arbitrary code via a crafted JPEG image that triggers memory corruption.
CVE-2007-3142 1 Opera 1 Opera Browser 2026-04-23 5.8 MEDIUM N/A
Visual truncation vulnerability in Opera 9.21 allows remote attackers to spoof the address bar and possibly conduct phishing attacks via a long hostname, which is truncated after 34 characters, as demonstrated by a phishing attack using HTTP Basic Authentication.
CVE-2009-2063 1 Opera 1 Opera Browser 2026-04-23 6.8 MEDIUM N/A
Opera, possibly before 9.25, processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.
CVE-2005-3041 1 Opera 1 Opera Browser 2026-04-16 5.0 MEDIUM N/A
Unspecified "drag-and-drop vulnerability" in Opera Web Browser before 8.50 on Windows allows "unintentional file uploads."
CVE-2004-1490 1 Opera 1 Opera Browser 2026-04-16 2.6 LOW N/A
Opera 7.54 and earlier allows remote attackers to spoof file types in the download dialog via dots and non-breaking spaces (ASCII character code 160) in the (1) Content-Disposition or (2) Content-Type headers.
CVE-2004-0473 1 Opera 1 Opera Browser 2026-04-16 2.6 LOW N/A
Argument injection vulnerability in Opera before 7.50 does not properly filter "-" characters that begin a hostname in a telnet URI, which allows remote attackers to insert options to the resulting command line and overwrite arbitrary files via (1) the "-f" option on Windows XP or (2) the "-n" option on Linux.
CVE-2004-2491 1 Opera 1 Opera Browser 2026-04-16 2.6 LOW N/A
A race condition in Opera web browser 7.53 Build 3850 causes Opera to fill in the address bar before the page has been loaded, which allows remote attackers to spoof the URL in the address bar via the window.open and location.replace HTML parameters, which facilitates phishing attacks.
CVE-2006-3353 1 Opera 1 Opera Browser 2026-04-16 5.0 MEDIUM N/A
Opera 9 allows remote attackers to cause a denial of service (crash) via a crafted web page that triggers an out-of-bounds memory access, related to an iframe and JavaScript that accesses certain style sheets properties.
CVE-2003-1420 1 Opera 1 Opera Browser 2026-04-16 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in Opera 6.0 through 7.0 with automatic redirection disabled allows remote attackers to inject arbitrary web script or HTML via the HTTP Location header.
CVE-2005-3946 1 Opera 1 Opera Browser 2026-04-16 5.0 MEDIUM N/A
Opera 8.50 allows remote attackers to cause a denial of service (crash) via a Java applet with a large string argument to the removeMember JNI method for the com.opera.JSObject class.
CVE-2005-2309 1 Opera 1 Opera Browser 2026-04-16 5.0 MEDIUM N/A
Opera 8.01 allows remote attackers to cause a denial of service (CPU consumption) via a crafted JPEG image, as demonstrated using random.jpg.
CVE-2005-3059 3 Linux, Microsoft, Opera 3 Linux Kernel, Windows, Opera Browser 2026-04-16 10.0 HIGH N/A
Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with cookie comment encoding."
CVE-2005-1669 1 Opera 1 Opera Browser 2026-04-16 6.8 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in Opera 8.0 Final Build 1095 allows remote attackers to inject arbitrary web script or HTML via "javascript:" URLs when a new window or frame is opened, which allows remote attackers to bypass access restrictions and perform unauthorized actions on other domains.
CVE-2003-1387 1 Opera 1 Opera Browser 2026-04-16 7.5 HIGH N/A
Buffer overflow in Opera 6.05 and 6.06, and possibly other versions, allows remote attackers to execute arbitrary code via a URL with a long username.
CVE-2003-1388 1 Opera 1 Opera Browser 2026-04-16 9.3 HIGH N/A
Buffer overflow in Opera 7.02 Build 2668 allows remote attackers to crash Opera via a long HTTP request ending in a .ZIP extension.
CVE-2005-3750 1 Opera 1 Opera Browser 2026-04-16 7.5 HIGH N/A
Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL that another product provides in a command line argument when launching Opera.