CVE-2026-64785

Source
https://cve.org/CVERecord?id=CVE-2026-64785
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64785.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-64785
Aliases
Published
2026-07-23T20:17:21.440Z
Modified
2026-09-03T08:05:05.331371Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/apple/swift-nio-http2

Affected ranges

Type
GIT
Repo
https://github.com/apple/swift-nio-http2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
Show details
{
    "cpe": "cpe:2.3:a:apple:swiftnio_http\\/2:*:*:*:*:*:swift:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.45.0"
        }
    ]
}

Affected versions

0.*
0.1.0
0.2.0
1.*
1.0.0
1.0.0-convergence.1
1.0.0-convergence.2
1.0.1
1.1.0
1.10.0
1.11.0
1.12.0
1.12.1
1.12.2
1.12.3
1.13.0
1.14.0
1.14.1
1.14.2
1.15.0
1.16.0
1.16.1
1.16.2
1.16.3
1.17.0
1.18.0
1.18.1
1.18.2
1.18.3
1.18.4
1.18.5
1.19.0
1.19.1
1.19.2
1.2.0
1.2.1
1.20.0
1.20.1
1.21.0
1.22.0
1.22.1
1.23.0
1.23.1
1.24.0
1.24.1
1.25.0
1.25.1
1.25.2
1.26.0
1.27.0
1.28.0
1.28.1
1.29.0
1.3.0
1.30.0
1.31.0
1.32.0
1.33.0
1.34.0
1.34.1
1.35.0
1.36.0
1.37.0
1.38.0
1.39.0
1.39.1
1.4.0
1.40.0
1.41.0
1.42.0
1.43.0
1.44.0
1.5.0
1.6.0
1.6.1
1.7.0
1.7.1
1.7.2
1.8.0
1.9.0
1.9.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64785.json"