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CVE Record

CVE-2012-3567: Opera before 12.00 Beta allows remote attackers to cause a denial of service (memory consumption or applica...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This issue affects Opera builds before 12.00 Beta. A malicious page could make the browser consume memory or hang, causing a denial of service for the user. The sources do not indicate data theft, code execution, or active exploitation. Exposure is most likely limited to legacy systems, kiosks, lab images, or unmanaged endpoints still running Opera versions older than 12.00 Beta. Treat this as a legacy hygiene issue unless old Opera remains in business use. Prioritize removal or upgrade during normal endpoint remediation cycles. Mitigation focus: Identify any Opera installations older than 12.00 Beta.; Upgrade legacy Opera installations according to vendor guidance.; Retire unsupported browser builds from managed endpoints..

Prepared

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

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2012-3567 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.