Undici is an HTTP/1.1 client, written from scratch for Node.js. Depending on network and process conditions of a `fetch()` request, `response.arrayBuffer()` might include portion of memory from the Node.js process. This has been patched in v6.19.2.
https://github.com/nodejs/undici/security/advisories/GHSA-3g92-w8c5-73pq
https://github.com/nodejs/undici/pull/3338
https://github.com/nodejs/undici/issues/3337
https://github.com/nodejs/undici/issues/3328
https://github.com/nodejs/undici/commit/f979ec3204ca489abf30e7d20e9fee9ea7711d36