CVE-2010-4049: n/a vulnerability

CVE-2010-4049: Opera before 10.63 allows remote attackers to cause a denial of service (application crash) via a Flash mov...

Opera before 10.63 allows remote attackers to cause a denial of service (application crash) via a Flash movie with a transparent Window Mode (aka wmode) property, which is not properly handled during navigation away from the containing HTML document.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 03:34 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Opera browser crash issue fixed in Opera 10.63. A malicious Flash movie using transparent window mode could crash the browser when the user navigated away from the page. The documented impact is denial of service, not data theft or code execution. Exposure is most plausible on legacy systems still running Opera before 10.63 and able to render Flash content from untrusted pages. Modern managed fleets are likely unaffected if old Opera builds are absent. Treat this as a legacy hygiene issue unless affected Opera versions remain in production. The known impact is browser availability, so prioritize removal or upgrade during endpoint cleanup rather than emergency response. Mitigation focus: Upgrade affected Opera installations to version 10.63 or later.; Remove unsupported Opera versions from managed endpoints.; Restrict use of legacy browsers for untrusted web browsing..

Prepared: Jun 28, 2026, 01:40 UTC (UTC+00:00)

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

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 21, 2010, 18:12 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:12263CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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