CVE-2006-6165: ld.so in FreeBSD, NetBSD, and possibly other BSD distributions does not remove certain harmful environment...

Security readout for executives and security teams

This old CVE describes a possible local privilege-escalation weakness in BSD dynamic loaders. A logged-in local user could allegedly influence privileged loading behavior through unsafe environment variables. The issue is disputed, so urgency depends on whether legacy BSD systems and affected loader behavior exist in your estate. Exposure is most plausible on legacy FreeBSD or NetBSD systems, and possibly other BSD variants, where local users can execute programs that invoke the dynamic loader in sensitive contexts. The provided affected-product data is incomplete and lists no specific versions. Treat as a legacy-system risk, not an internet-scale emergency. Prioritize confirmation on BSD servers, appliances, or environments with local multi-user access. Escalate if unsupported BSD systems host sensitive workloads or allow untrusted local users. Mitigation focus: Confirm affected status against FreeBSD, NetBSD, and relevant BSD vendor guidance.; Upgrade or retire unsupported BSD releases after vendor confirmation.; Restrict local shell or account access on potentially affected systems..

Prepared

May 24, 2026, 01:12 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.