Security readout for executives and security teams
This is a legacy local denial-of-service issue in NCSA Mosaic versions 2.1 through 2.7b5. A user with local access to the same system can interfere with Mosaic's remote-control function by abusing predictable /tmp/Mosaic.pid filenames. Business urgency is usually low unless this obsolete browser remains in a shared or regulated environment. Exposure is likely limited to systems that still run NCSA Mosaic 2.1 through 2.7b5, especially multi-user Unix-like hosts where untrusted local users share /tmp. Most modern enterprise environments should have no exposure unless legacy software is intentionally retained. Treat as low priority for normal environments, but close it promptly if discovered on shared legacy systems. The main risk is local service disruption, not confirmed data compromise or remote intrusion. Mitigation focus: Inventory systems for NCSA Mosaic 2.1 through 2.7b5.; Retire or isolate any remaining Mosaic installations.; Check original vendor or package-maintainer guidance if continued use is unavoidable..
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-2014-3426 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
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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
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