| Name | CVE-2020-26137 |
| Description | urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2686-1, DLA-3610-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python-urllib3 (PTS) | jessie, jessie (lts) | 1.9.1-3+deb8u2 | vulnerable |
| stretch (security) | 1.19.1-1+deb9u1 | fixed |
| stretch (lts), stretch | 1.19.1-1+deb9u2 | fixed |
| buster (security), buster, buster (lts) | 1.24.1-1+deb10u2 | fixed |
| bullseye | 1.26.5-1~exp1 | fixed |
| bookworm | 1.26.12-1 | fixed |
| sid, trixie | 2.0.7-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://bugs.python.org/issue39603
https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b (1.25.9)
https://github.com/urllib3/urllib3/pull/1800
[jessie] - python-urllib3 <no-dsa> (Minor issue)