Security Advisory

CVE-2026-64785

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-23 18:50:40

Last updated 2026-07-24 20:06:58

Assigner apple

CVSS score not scored

State PUBLISHED

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.

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