CVE-2026-43678
- Source
- https://cve.org/CVERecord?id=CVE-2026-43678
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43678.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-43678
- Aliases
-
- GHSA-qcc5-f287-vgmq
- Published
- 2026-08-20T19:16:52.353Z
- Modified
- 2026-08-30T08:17:18.243335Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
An unauthenticated remote peer can crash any NIOWebSocket-based server (including Vapor and Hummingbird) with a single 11-byte frame sent after a completed WebSocket handshake, dropping all active connections until the process restarts. This vulnerability is addressed in swift-nio version 2.101.0.
- References
Affected packages
Git / github.com/apple/swift-nio
Affected ranges
- Type
- GIT
- Repo
- https://github.com/apple/swift-nio
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
- Database specific
-
Show details
{ "source": "CPE_RANGE", "cpe": "cpe:2.3:a:apple:swiftnio:*:*:*:*:*:*:*:*", "extracted_events": [ { "introduced": "0" }, { "fixed": "2.101.0" } ] }
Affected versions
1.*
1.0.0
1.1.0
1.10.0
1.11.0
1.12.0
1.2.0
1.2.1
1.3.0
1.3.1
1.4.0
1.4.1
1.4.2
1.5.0
1.5.1
1.6.0
1.6.1
1.7.0
1.7.1
1.7.2
1.8.0
1.9.0
2.*
2.0.0
2.0.0-convergence.1
2.0.0-convergence.2
2.0.0-convergence.3
2.0.0-convergence.4
2.1.0
2.10.0
2.10.1
2.100.0
2.11.0
2.11.1
2.12.0
2.13.0
2.14.0
2.15.0
2.16.0
2.17.0
2.18.0
2.19.0
2.2.0
2.20.0
2.20.1
2.20.2
2.21.0
2.22.0
2.22.1
2.23.0
2.24.0
2.25.0
2.25.1
2.26.0
2.27.0
2.28.0
2.29.0
2.3.0
2.30.0
2.31.0
2.32.0
2.32.1
2.32.2
2.32.3
2.33.0
2.34.0
2.35.0
2.36.0
2.37.0
2.38.0
2.39.0
2.4.0
2.40.0
2.41.0
2.41.1
2.42.0
2.43.0
2.43.1
2.44.0
2.45.0
2.46.0
2.47.0
2.48.0
2.49.0
2.5.0
2.5.1
2.50.0
2.51.0
2.51.1
2.52.0
2.53.0
2.54.0
2.55.0
2.56.0
2.57.0
2.58.0
2.59.0
2.6.0
2.6.1
2.60.0
2.61.0
2.61.1
2.62.0
2.63.0
2.64.0
2.65.0
2.66.0
2.67.0
2.68.0
2.69.0
2.7.0
2.7.1
2.70.0
2.71.0
2.72.0
2.73.0
2.74.0
2.75.0
2.76.0
2.76.1
2.78.0
2.79.0
2.8.0
2.80.0
2.81.0
2.82.0
2.82.1
2.83.0
2.84.0
2.85.0
2.86.0
2.86.1
2.86.2
2.87.0
2.88.0
2.89.0
2.9.0
2.90.0
2.90.1
2.91.0
2.92.0
2.92.1
2.92.2
2.93.0
2.94.0
2.94.1
2.95.0
2.96.0
2.97.0
2.97.1
2.98.0
2.99.0