Encode OSS httpx < 0.23.0 is affected by improper input validation in httpx.URL, httpx.Client and some functions using httpx.URL.copy_with.
httpx.URL
httpx.Client
httpx.URL.copy_with
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-41945.json"