CVE-2003-0390: Multiple buffer overflows in Options Parsing Tool (OPT) shared library 3.18 and earlier, when used in setui...

Security readout for executives and security teams

CVE-2003-0390 is an old local-code-execution issue in the Options Parsing Tool shared library. The risk matters when vulnerable OPT versions are used by setuid programs, because a local user may be able to make privileged software execute unintended code. Exposure is most likely on legacy Unix-like systems or internally built software that still ships OPT 3.18 or earlier inside setuid utilities. The provided sources do not identify downstream products or package names. Prioritize if legacy multi-user systems or setuid internal tools are still present. The business risk is privilege escalation from a local foothold, but evidence in the supplied sources is incomplete for product-specific exposure. Mitigation focus: Inventory systems for OPT shared library version 3.18 or earlier.; Identify setuid programs linked against or bundled with OPT.; Remove setuid privileges where they are not operationally required..

Prepared

Jun 30, 2026, 10:28 UTC (UTC+00:00)

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