url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25219.json"