CVE-2011-2168: Multiple integer overflows in the glob implementation in libc in OpenBSD before 4.9 might allow context-dep...

Security readout for executives and security teams

CVE-2011-2168 is an OpenBSD libc glob pattern-matching flaw fixed before OpenBSD 4.9. A crafted string could trigger integer overflows in certain glob flag combinations. The public record does not define the exact impact, so urgency depends on whether legacy OpenBSD systems process untrusted glob patterns. Exposure is most likely on legacy OpenBSD systems older than 4.9, especially software that passes attacker-influenced strings to libc glob() using GLOB_APPEND or GLOB_DOOFFS. Current supported systems are unlikely to be affected if vendor updates are applied. Treat this as a legacy platform exposure check, not an emergency based on current evidence. Prioritize if unsupported OpenBSD systems remain in production or if business-facing services process user-controlled file patterns. Mitigation focus: Upgrade affected OpenBSD systems to 4.9 or a supported patched release.; Review vendor guidance and OpenBSD libc revision notes for applicable fixes.; Reduce or remove untrusted input to glob() pattern processing where feasible..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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