Skip to content
fr Sign in
5.3 Medium

CVE-2026-64785 SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters…

Description

SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2 version 1.45.0.

Affected products and versions

Product Affected versions Fixed in
swift-nio-http2 1.45 earliest → < 1.45.0 1.45.0

References

Timeline

  1. Published
  2. Last modified

Other CVEs of swift-nio-http2

The 2 CVEs of swift-nio-http2 →
CVE-2026-28898 swift-nio-http2's HTTP/2-to-HTTP/1.1 codec did not validate pseudo-header values for control characters before placing… 5.3 Medium
Track this CVE