CVE-2006-6164

HighCVSS 7.2/10Last modified Jun 16, 2026

Description

The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.

Metrics

CVSS 2.0 7.2/10AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected software

No affected versions have been published.

Timeline

Published: Nov 29, 2006
Last modified: Jun 16, 2026
NVD status: Modified

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