CVE-2017-1000376: libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by o...

Security readout for executives and security teams

CVE-2017-1000376 is a libffi issue where some vulnerable builds requested an executable stack, weakening a core memory-safety protection. That can make code execution easier if an attacker can overwrite stack memory. The supplied sources limit the affected scope to libffi before 3.1 on 32-bit x86 systems. Most likely exposure is legacy 32-bit x86 systems, old distributions, appliances, containers, or applications bundling libffi before version 3.1. Modern 64-bit systems or vendor-patched packages may not be affected, but package lineage should be verified. Treat this as a focused legacy-risk cleanup item, not a broad emergency based on the supplied evidence. Prioritize environments where old 32-bit x86 software remains in production or where libffi is bundled inside critical applications. Mitigation focus: Inventory systems and applications using libffi, including bundled copies.; Prioritize legacy 32-bit x86 environments for review.; Upgrade to libffi 3.1 or vendor-patched packages where applicable..

Prepared

Jun 13, 2026, 04:43 UTC (UTC+00:00)

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