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.
bugs.python.org/issue39603
github.com/urllib3/urllib3
github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b
github.com/urllib3/urllib3/pull/1800
lists.debian.org/debian-lts-announce/2021/06/msg00015.html
lists.debian.org/debian-lts-announce/2023/10/msg00012.html
nvd.nist.gov/vuln/detail/CVE-2020-26137
usn.ubuntu.com/4570-1
www.oracle.com/security-alerts/cpujul2022.html
www.oracle.com/security-alerts/cpuoct2021.html