CVE-2019-11236

mediumpriority · track · 25EPSS 0.021 · 81 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.07% (81st) EPSS
CVSS 4.3 · medium
Is it mine?
42 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedpython-urllib3-0:1.24.3-1.el7.src as a component of Red Hat OpenShift Container Platform 4.4redhat_csaf

    For OpenShift Container Platform 4.4 see the following documentation, which will be updated shortly for release 4.4.11, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.4/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHBA-2020:2785
  • Fixedpython2-urllib3-0:1.24.3-1.el7.noarch as a component of Red Hat OpenShift Container Platform 4.4redhat_csaf

    For OpenShift Container Platform 4.4 see the following documentation, which will be updated shortly for release 4.4.11, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.4/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHBA-2020:2785
  • Fixedpython-urllib3-0:1.24.3-1.el7.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.28, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHBA-2020:2804
  • Fixedpython2-urllib3-0:1.24.3-1.el7.noarch as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf

    For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.28, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

    https://access.redhat.com/errata/RHBA-2020:2804
  • Fixedpython-urllib3-0:1.10.2-7.el7.noarch as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.noarch as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.noarch as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.10.2-7.el7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:2272
  • Fixedpython-urllib3-0:1.24.2-2.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:3590
  • Fixedpython3-urllib3-0:1.24.2-2.el8.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2019:3590
  • Fixedpython-pip-0:9.0.3-7.el7_7.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython-pip-0:9.0.3-7.el7_7.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython-pip-0:9.0.3-7.el7_7.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython-pip-0:9.0.3-7.el7_7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython3-pip-0:9.0.3-7.el7_7.noarch as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython3-pip-0:9.0.3-7.el7_7.noarch as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython3-pip-0:9.0.3-7.el7_7.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython3-pip-0:9.0.3-7.el7_7.noarch as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0850
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.noarch as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.noarch as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.noarch as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.src as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.src as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedpython-virtualenv-0:15.1.0-4.el7_7.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:0851
  • Fixedplatform-python-pip-0:9.0.3-16.el8.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:1916
  • Fixedpython-pip-0:9.0.3-16.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:1916
  • Fixedpython3-pip-0:9.0.3-16.el8.noarch as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:1916
  • Fixedpython3-pip-wheel-0:9.0.3-16.el8.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:1916
  • Fixedpython-pip-0:9.0.3-7.el7_8.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython-pip-0:9.0.3-7.el7_8.src as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython-pip-0:9.0.3-7.el7_8.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython-pip-0:9.0.3-7.el7_8.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython3-pip-0:9.0.3-7.el7_8.noarch as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython3-pip-0:9.0.3-7.el7_8.noarch as a component of Red Hat Enterprise Linux ComputeNode (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython3-pip-0:9.0.3-7.el7_8.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython3-pip-0:9.0.3-7.el7_8.noarch as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2068
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.noarch as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.noarch as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.noarch as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.noarch as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.src as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.src as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
  • Fixedpython-virtualenv-0:15.1.0-4.el7_8.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2020:2081
02

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV
v3.05.6mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · Red Hat Product Security US
v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-93USprimaryCWE-113USCWE-93USCWE-93US
04

affected products (42)

Products and version ranges known to be affected.

showing 20 of 42
05

advisories (12)

Vendor and ecosystem advisories describing this.

  • RHBA-2020:2785Red Hat Bug Fix Advisory: OpenShift Container Platform 4.4.11 packages update2020-07-06csaf · redhat_csafUS

    Red Hat OpenShift Container Platform release 4.4.11 is now available with updates to packages and images that fix several bugs.

  • RHBA-2020:2804Red Hat Bug Fix Advisory: OpenShift Container Platform 4.3.28 packages update2020-07-07csaf · redhat_csafUS

    Red Hat OpenShift Container Platform release 4.3.28 is now available with updates to packages and images that fix several bugs.

  • RHSA-2019:2272Red Hat Security Advisory: python-urllib3 security update2019-08-06csaf · redhat_csafUS

    An update for python-urllib3 is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2019:3590Red Hat Security Advisory: python-urllib3 security update2019-11-05csaf · redhat_csafUS

    An update for python-urllib3 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:0850Red Hat Security Advisory: python-pip security update2020-03-17csaf · redhat_csafUS

    An update for python-pip is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:0851Red Hat Security Advisory: python-virtualenv security update2020-03-17csaf · redhat_csafUS

    An update for python-virtualenv is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:1916Red Hat Security Advisory: python-pip security update2020-04-28csaf · redhat_csafUS

    An update for python-pip is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:2068Red Hat Security Advisory: python-pip security update2020-05-12csaf · redhat_csafUS

    An update for python-pip is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2020:2081Red Hat Security Advisory: python-virtualenv security update2020-05-12csaf · redhat_csafUS

    An update for python-virtualenv is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • WID-SEC-W-2022-0517Red Hat Enterprise Linux: Mehrere SchwachstellenDeutsch2019-08-06csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um dadurch die Integrität, Vertraulichkeit und Verfügbarkeit zu gefährden.

  • GHSA-r64q-w8jr-g9qpImproper Neutralization of CRLF Sequences in urllib3 library for Python2022-05-13ghsa · osvUS

    In the urllib3 library through 1.24.2 for Python, CRLF injection is possible if the attacker controls the request parameter.

  • PYSEC-2019-1322019-04-15vendor · osvUS

    In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundredhat_csafNVDCVE.orgMITRE
published 2019-04-15modified 2026-10-12
09

references (66)

External citations — patches, advisories, analysis.

scry

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