Security readout for executives and security teams
A very old bug in the X font server (xfs) shipped with Red Hat Linux 6.x lets a remote sender crash the service by sending a malformed request. The impact is limited to service disruption on that specific legacy Linux release. It does not grant access or steal data, and modern systems are generally not affected. Exposure is limited to systems still running Red Hat Linux 6.x with the X font server (xfs) reachable to untrusted clients. Any organization on that vintage of Linux is already carrying much broader risk; modern distributions are not in scope for this specific CVE. Low priority. This is a legacy denial-of-service issue in a decades-old Red Hat Linux release. Modern environments are unlikely to be affected, so treat as informational unless legacy Unix systems are still in scope. Mitigation focus: Inventory any remaining Red Hat Linux 6.x hosts and plan decommission or upgrade to a supported distribution.; Consult current Red Hat and X.Org guidance for xfs hardening or replacement if xfs is still in use.; Restrict network access to the xfs port so only trusted local clients can reach it..
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-2000-0263 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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