GHSA-cm8h-q92v-xcfc
mercurius has Uncaught Exception when using subscriptions
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
### Impact
Any users of Mercurius until version v11.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to `/graphql`.
### Patches
This was patched in https://github.com/mercurius-js/mercurius/pull/940.
The patch was released as v11.5.0 and v8.13.2.
### Workarounds
Disable subscriptions.
### References
Reported publicly as https://github.com/mercurius-js/mercurius/issues/939.
The same problem was solved in https://github.com/fastify/fastify-websocket/pull/228
References
External links from the advisory. They lead to third-party sites.
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfc
- https://nvd.nist.gov/vuln/detail/CVE-2023-22477
- https://github.com/mercurius-js/mercurius/issues/939
- https://github.com/fastify/fastify-websocket/pull/228
- https://github.com/mercurius-js/mercurius/pull/940
- https://github.com/mercurius-js/mercurius