Security readout for executives and security teams
CVE-2012-4146 is an old Opera browser crash issue. A specially crafted website could make Opera versions before 12.01 crash, causing denial of service for that user. The sources do not show data theft, code execution, or confirmed active exploitation. Exposure is likely limited to systems still running Opera versions older than 12.01 on Windows, Mac, or Unix. Organizations without legacy Opera deployments have no exposure indicated by the provided sources. Treat this as low urgency unless legacy Opera is still present in the environment. The business impact described is user disruption from browser crashes, not system compromise, but unsupported legacy browsers remain a hygiene risk. Mitigation focus: Identify any Opera installations older than 12.01.; Upgrade legacy Opera to 12.01 or later where supported.; Remove unsupported legacy Opera installations if no upgrade path exists..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2012-4146 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
