fastify/websocket vulnerable to uncaught exception via crash on malformed packet
Impact
Any application using @fastify/websocket could crash if a specific, malformed packet is sent.
All versions of fastify-websocket are also impacted. That module is deprecated, so it will not be patched.
Patches
This has been patched in v7.1.1 (fastify v4) and v5.0.1 (fastify v3).
Workarounds
No known workaround is available. However, it should be possible to attach the error handler manually. The recommended path is upgrading to the patched versions.
Credits
marcolanaro for finding and patching this vulnerability
For more information
If you have any questions or comments about this advisory:
- Open an issue in @fastify/websocket
- Email us at hello@matteocollina.com
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de npm | @fastify/websocket | >= 5.0.0, < 5.0.1, >= 6.0.0, < 7.1.1 | 5.0.1, 7.1.1 |
| Paquete de npm | fastify-websocket | <= 4.3.0 | sin corrección |
Referencias
- https://github.com/fastify/fastify-websocket/security/advisories/GHSA-4pcg-wr6c-h9cq
- https://nvd.nist.gov/vuln/detail/CVE-2022-39386
- https://github.com/fastify/fastify-websocket/pull/228
- https://github.com/fastify/fastify-websocket/commit/7e8c41a51c101c3d5ce88caee4f71d9c29eb2863
- https://github.com/fastify/fastify-websocket/commit/c24adeb3efd57a18b2f287c35d029e88b5a47194
- https://github.com/fastify/fastify-websocket
- https://github.com/fastify/fastify-websocket/releases/tag/v5.0.1
- https://github.com/fastify/fastify-websocket/releases/tag/v7.1.1
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Debilidad (CWE)
CWE-248- Plataforma
- npm
- Paquete
@fastify/websocket, fastify-websocket- Publicada
- 07.11.2022
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-4pcg-wr6c-h9cq - CC BY 4.0
Historial de vulnerabilidades: fastify-websocket
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