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Case File

CVE-2001-1559

MEDIUM · CVSS 5.5 EPSS 1.48%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2001-12-31 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2001-1559
Severity
MEDIUM
CVSS
5.5
EPSS
1.48%

Original NVD Description

The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.