CVE-2019-9893: Libseccomp Project Libseccomp

Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days.

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.

Affected products

Published 2019-03-21. Last modified 2026-06-17.