CVE-2026-64785
Apple Inc. · published 2026-07-23
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Apple Inc. via the CVE Program.
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.
Status at the source
- NVD status: Analyzed
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Apple | swift-nio-http2 | 0 – before 1.45.0: affected |
Products named in NVD's CPE match criteria (1)
cpe:2.3:a:apple:swiftnio_http\/2:*:*:*:*:*:swift:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 5.3 MEDIUM — as published by CISA-ADP (Secondary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: yes · Technical impact: partial
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
Source dates: published 2026-07-23, last changed 2026-09-01. DeSpy's copy of this version is dated 2026-09-28.
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