Denial of Service (DoS) Affecting github.com/apple/swift-nio-http2 package, versions <1.28.0


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Mature
EPSS
80.09% (99th percentile)

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  • Snyk IDSNYK-SWIFT-APPLESWIFTNIOHTTP2-5953322
  • published11 Oct 2023
  • disclosed10 Oct 2023
  • creditUnknown

Introduced: 10 Oct 2023

CVE-2023-44487  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade apple/swift-nio-http2 to version 1.28.0 or higher.

Overview

apple/swift-nio-http2 is a HTTP/2 support for SwiftNIO.

Affected versions of this package are vulnerable to Denial of Service (DoS) in the implementation of the HTTP/2 protocol. An attacker can cause a denial of service (including via DDoS) by rapidly resetting many streams through request cancellation.

CVSS Scores

version 4.0
version 3.1