CVE-2010-2663: Opera before 10.60 allows remote attackers to cause a denial of service (application hang) via an ended eve...

Security readout for executives and security teams

This is an old Opera browser denial-of-service issue. A malicious web page could make Opera versions before 10.60 hang, disrupting the user’s browser session. The available sources do not indicate data theft, remote code execution, or active exploitation. Exposure is mainly legacy systems still running Opera before 10.60 on Windows, macOS, or Unix/Linux. Modern environments are unlikely to be affected unless old browser builds remain in use for compatibility or embedded workflows. Low priority for most organizations, but close quickly if legacy Opera is present. The issue can disrupt browser availability, not compromise systems based on the provided evidence. Mitigation focus: Upgrade Opera installations to version 10.60 or later where applicable.; Remove unsupported legacy Opera builds from managed endpoints.; Check Opera changelogs and vendor guidance for platform-specific update details..

Prepared

Jun 28, 2026, 02:01 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.