In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.Referenceshttps://github.com/urllib3/urllib3/issues/1553https://usn.ubuntu.com/3990-1/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TBI45HO533KYHNB5YRO43TBYKA3E3VRL/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R62XGEYPUTXMRHGX5I37EBCGQ5COHGKR/https://lists.debian.org/debian-lts-announce/2019/06/msg00016.htmlhttps://usn.ubuntu.com/3990-2/https://access.redhat.com/errata/RHSA-2019:2272http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.htmlhttps://access.redhat.com/errata/RHSA-2019:3590https://access.redhat.com/errata/RHSA-2019:3335https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/https://lists.debian.org/debian-lts-announce/2021/06/msg00015.htmlhttps://lists.debian.org/debian-lts-announce/2023/10/msg00012.html