| Name | CVE-2021-41945 | 
| Description | 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`. | 
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
| Debian Bugs | 1010336 | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| httpx (PTS) | bullseye | 0.16.1-1 | vulnerable | 
|  | bookworm | 0.23.3-1 | fixed | 
|  | forky, sid, trixie | 0.28.1-1 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| httpx | source | (unstable) | 0.23.0-1 |  |  | 1010336 | 
Notes
[bullseye] - httpx <no-dsa> (Minor issue)
https://gist.github.com/lebr0nli/4edb76bbd3b5ff993cf44f2fbce5e571
https://github.com/encode/httpx/discussions/1831
https://github.com/encode/httpx/issues/2184
affected code has moved upstream, from _models.py to a new file, _urls.py
https://sources.debian.org/src/httpx/0.22.0-2/httpx/_models.py/?hl=537#L537