CVE-2000-1207: Red Hat Linux

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

userhelper in the usermode package on Red Hat Linux executes non-setuid programs as root, which does not activate the security measures in glibc and allows the programs to be exploited via format string vulnerabilities in glibc via the LANG or LC_ALL environment variables (CVE-2000-0844).

Affected products

• Red Hat Linux: any version

Published 2000-09-30. Last modified 2026-06-16.