VulnerabilityModified
CVE-2019-11236
In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.
MEDIUM 6.1EPSS 2.07%
Does this matter?
Lower severity and a low EPSS score (2.07%). Track it; it rarely justifies an emergency change on its own.
Description
In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.07% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-93
- Affected
- python/urllib3
- Source
- cve@mitre.org
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html
- https://access.redhat.com/errata/RHSA-2019:2272
- https://access.redhat.com/errata/RHSA-2019:3335
- https://access.redhat.com/errata/RHSA-2019:3590
- https://github.com/urllib3/urllib3/issues/1553Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R62XGEYPUTXMRHGX5I37EBCGQ5COHGKR/
- 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/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/
- https://usn.ubuntu.com/3990-1/
- https://usn.ubuntu.com/3990-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00041.html
- https://access.redhat.com/errata/RHSA-2019:2272
- https://access.redhat.com/errata/RHSA-2019:3335
- https://access.redhat.com/errata/RHSA-2019:3590
- https://github.com/urllib3/urllib3/issues/1553Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00015.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKGPJLVLVYCL4L4B4G5TIOTVK4BKPG72/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R62XGEYPUTXMRHGX5I37EBCGQ5COHGKR/
- 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/XOSA2NT4DUQDBEIWE6O7KKD24XND7TE2/
- https://usn.ubuntu.com/3990-1/
- https://usn.ubuntu.com/3990-2/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.