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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/HT210772
Scores
CVSS v3
9.8
EPSS
0.0221
EPSS Percentile
80.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (2)
apple/swiftnio_ssl
< 2.4.1
SwiftURL/github.com/apple/swift-nio-ssl
2.0.0 - 2.4.1SwiftURL
Published
Dec 18, 2019
Tracked Since
Feb 18, 2026