Undici is an HTTP/1.1 client for Node.js. Prior to versions 5.29.0, 6.21.2, and 7.5.0, applications that use undici to implement a webhook-like system are vulnerable. If the attacker set up a server with an invalid certificate, and they can force the application to call the webhook repeatedly, then they can cause a memory leak. This has been patched in versions 5.29.0, 6.21.2, and 7.5.0. As a workaound, avoid calling a webhook repeatedly if the webhook fails.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| undici(npm) | 0 | 5.29.0 | N/A |
| undici(npm) | 6.0.0 | 6.21.2 | N/A |
| undici(npm) | 7.0.0 | 7.5.0 | N/A |
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