About the security content of SwiftNIO HTTP/2 1.5.0

This document describes the security content of SwiftNIO HTTP/2 1.5.0.

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SwiftNIO HTTP/2 1.5.0

SwiftNIO HTTP/2

Available for: SwiftNIO HTTP/2 1.0.0 through 1.4.0 on macOS Sierra 10.12 and later and Ubuntu 14.04 and later

Impact: A HTTP/2 server may consume unbounded amounts of memory when receiving certain traffic patterns and eventually suffer resource exhaustion

Description: This issue was addressed with improved buffer size management.

CVE-2019-9512: Jonathan Looney of Netflix

CVE-2019-9514: Jonathan Looney of Netflix

CVE-2019-9515: Jonathan Looney of Netflix

CVE-2019-9516: Jonathan Looney of Netflix

SwiftNIO HTTP/2

Available for: SwiftNIO HTTP/2 1.0.0 through 1.4.0 on macOS Sierra 10.12 and later and Ubuntu 14.04 and later

Impact: A HTTP/2 server may consume excessive CPU resources when receiving certain traffic patterns

Description: This issue was addressed with improved input validation.

CVE-2019-9518: Piotr Sikora of Google, Envoy Security Team