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 https://github.com/nodejs/undici/pull/4088.
If a webhook fails, avoid keep calling it repeatedly.
Reported as: https://github.com/nodejs/undici/issues/3895
{
"github_reviewed_at": "2025-05-15T14:15:06Z",
"severity": "LOW",
"cwe_ids": [
"CWE-401"
],
"nvd_published_at": "2025-05-15T18:15:38Z",
"github_reviewed": true
}