ruby-ffi version 1.9.23 and earlier has a DLL loading issue which can be hijacked on Windows OS, when a Symbol is used as DLL name instead of a String This vulnerability appears to have been fixed in v1.9.24 and later.
https://github.com/ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c
https://github.com/ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a
Source: Mitre, NVD
Published: 2018-06-22
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00201