VULNERABILITY INTELLIGENCE

CVE-2019-8849

CVSS score9.8 CRITICAL
EPSS probability2.24%
CISA KEVNot currently listed
Published2019-12-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The issue was addressed by signaling that an executable stack is not required. This issue is fixed in SwiftNIO SSL 2.4.1. A SwiftNIO application using TLS may be able to execute arbitrary code.

Primary references