Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of Requests 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.
Requests
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29476.json"