About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
SwiftNIO HTTP/2 1.5.0
Released August 13, 2019
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