CVE-1999-0420: umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
Summary
umapfs allows local users to gain root privileges by changing their uid through a malicious mount_umap program.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:44.271Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.