CVE-2019-8849: SwiftNIO SSL arbitrary code execution vulnerability

May 24, 2022 (updated June 6, 2023)

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

References

github.com/advisories/GHSA-frg3-gpcx-968f
github.com/apple/swift-nio-ssl
nvd.nist.gov/vuln/detail/CVE-2019-8849
support.apple.com/HT210772

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