Vulnerabilities / CVE-2019-9636

critical

CVE-2019-9636

python: Information Disclosure due to urlsplit improper NFKC normalization

Published Modified CWE 173
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Red Hat (high), AlmaLinux (high), Amazon (high), Oracle (high), Rocky Linux (high), Ubuntu (medium).

Description

Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Affected packages and fixed versions

SourcePackageFixed in
Photon OS 1.0python2, python32.7.15-4.ph1 and 1 more
Photon OS 2.0python2, python32.7.15-4.ph2 and 1 more
Photon OS 3.0python2, python32.7.15-4.ph3 and 1 more
alma 8python27:2.7::python-psycopg2-doc, python27:2.7::python2-Cython, python27:2.7::python2-PyMySQL and 21 more2.7.5-7.module_el8.6.0+2781+fed64c13 and 20 more
alpine 3.10python2, python2-tkinter2.7.16-r1 and 1 more
alpine 3.11python2, python2-tkinter2.7.16-r1 and 1 more
alpine 3.12python22.7.16-r1
alpine 3.13python22.7.16-r1
alpine 3.14python22.7.16-r1
alpine 3.15python22.7.16-r1
alpine 3.6python33.6.8-r0
alpine 3.7python2, python32.7.15-r2 and 1 more
Show all 223 entries from 30 sources
SourcePackageFixed in
Photon OS 1.0python22.7.15-4.ph1
Photon OS 1.0python33.5.6-4.ph1
Photon OS 2.0python22.7.15-4.ph2
Photon OS 2.0python33.6.5-5.ph2
Photon OS 3.0python22.7.15-4.ph3
Photon OS 3.0python33.7.0-5.ph3
alma 8python27:2.7::python-psycopg2-doc2.7.5-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-Cython0.28.1-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-PyMySQL0.8.0-10.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-attrs17.4.0-10.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-chardet3.0.4-10.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-coverage4.5.1-4.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-docutils0.14-12.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-funcsigs1.0.2-13.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-idna2.5-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-ipaddress1.0.18-6.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-markupsafe0.23-19.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-mock2.0.0-13.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pluggy0.6.0-8.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-psycopg22.7.5-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-psycopg2-debug2.7.5-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-psycopg2-tests2.7.5-7.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-py1.5.3-6.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pysocks1.6.8-6.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pytest3.4.2-13.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pytest-mock1.9.0-4.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pytz2017.2-12.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-pyyaml3.12-16.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-rpm-macros3-38.module_el8.6.0+2781+fed64c13
alma 8python27:2.7::python2-setuptools_scm1.15.7-6.module_el8.6.0+2781+fed64c13
alpine 3.10python22.7.16-r1
alpine 3.10python2-tkinter2.7.17-r0
alpine 3.11python22.7.16-r1
alpine 3.11python2-tkinter2.7.17-r0
alpine 3.12python22.7.16-r1
alpine 3.13python22.7.16-r1
alpine 3.14python22.7.16-r1
alpine 3.15python22.7.16-r1
alpine 3.6python33.6.8-r0
alpine 3.7python22.7.15-r2
alpine 3.7python33.6.8-r0
alpine 3.8python22.7.15-r2
alpine 3.8python33.6.8-r0
alpine 3.9python22.7.16-r1
amazon linux 1python272.7.16-1.127.amzn1
amazon linux 1python27-debuginfo2.7.16-1.127.amzn1
amazon linux 1python27-devel2.7.16-1.127.amzn1
amazon linux 1python27-libs2.7.16-1.127.amzn1
amazon linux 1python27-test2.7.16-1.127.amzn1
amazon linux 1python27-tools2.7.16-1.127.amzn1
amazon linux 1python343.4.10-1.49.amzn1
amazon linux 1python34-debuginfo3.4.10-1.49.amzn1
amazon linux 1python34-devel3.4.10-1.49.amzn1
amazon linux 1python34-libs3.4.10-1.49.amzn1
amazon linux 1python34-test3.4.10-1.49.amzn1
amazon linux 1python34-tools3.4.10-1.49.amzn1
amazon linux 1python353.5.7-1.22.amzn1
amazon linux 1python35-debuginfo3.5.7-1.22.amzn1
amazon linux 1python35-devel3.5.7-1.22.amzn1
amazon linux 1python35-libs3.5.7-1.22.amzn1
amazon linux 1python35-test3.5.7-1.22.amzn1
amazon linux 1python35-tools3.5.7-1.22.amzn1
amazon linux 1python363.6.8-1.13.amzn1
amazon linux 1python36-debug3.6.8-1.13.amzn1
amazon linux 1python36-debuginfo3.6.8-1.13.amzn1
amazon linux 1python36-devel3.6.8-1.13.amzn1
amazon linux 1python36-libs3.6.8-1.13.amzn1
amazon linux 1python36-test3.6.8-1.13.amzn1
amazon linux 1python36-tools3.6.8-1.13.amzn1
amazon linux 2python2.7.16-1.amzn2.0.1
amazon linux 2python-debug2.7.16-1.amzn2.0.1
amazon linux 2python-debuginfo2.7.16-1.amzn2.0.1
amazon linux 2python-devel2.7.16-1.amzn2.0.1
amazon linux 2python-libs2.7.16-1.amzn2.0.1
amazon linux 2python-test2.7.16-1.amzn2.0.1
amazon linux 2python-tools2.7.16-1.amzn2.0.1
amazon linux 2python33.7.3-1.amzn2.0.1
amazon linux 2python3-debug3.7.3-1.amzn2.0.1
amazon linux 2python3-debuginfo3.7.3-1.amzn2.0.1
amazon linux 2python3-devel3.7.3-1.amzn2.0.1
amazon linux 2python3-libs3.7.3-1.amzn2.0.1
amazon linux 2python3-test3.7.3-1.amzn2.0.1
amazon linux 2python3-tkinter3.7.3-1.amzn2.0.1
amazon linux 2python3-tools3.7.3-1.amzn2.0.1
amazon linux 2tkinter2.7.16-1.amzn2.0.1
debian 11python2.72.7.16-2
debian 8python2.72.7.9-2+deb8u3
debian 8python3.43.4.2-1+deb8u3
debian 9python2.72.7.13-2+deb9u4
debian 9python3.53.5.3-1+deb9u2
Oracle Linux 6python2.6.6-68.0.1.el6_10
Oracle Linux 6python-devel2.6.6-68.0.1.el6_10
Oracle Linux 6python-libs2.6.6-68.0.1.el6_10
Oracle Linux 6python-test2.6.6-68.0.1.el6_10
Oracle Linux 6python-tools2.6.6-68.0.1.el6_10
Oracle Linux 6tkinter2.6.6-68.0.1.el6_10
Oracle Linux 7python2.7.5-77.0.1.el7_6
Oracle Linux 7python-debug2.7.5-77.0.1.el7_6
Oracle Linux 7python-devel2.7.5-77.0.1.el7_6
Oracle Linux 7python-libs2.7.5-77.0.1.el7_6
Oracle Linux 7python-test2.7.5-77.0.1.el7_6
Oracle Linux 7python-tools2.7.5-77.0.1.el7_6
Oracle Linux 7tkinter2.7.5-77.0.1.el7_6
Oracle Linux 8babel2.5.1-9.module+el8.0.0+5233+93973c75
Oracle Linux 8platform-python3.6.8-2.0.1.el8_0
Oracle Linux 8platform-python-debug3.6.8-2.0.1.el8_0
Oracle Linux 8platform-python-devel3.6.8-2.0.1.el8_0
Oracle Linux 8python-nose-docs1.3.7-30.module+el8.0.0+5233+93973c75
Oracle Linux 8python-psycopg2-doc2.7.5-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python-sqlalchemy-doc1.3.2-1.module+el8.0.0+5233+93973c75
Oracle Linux 8python22.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-Cython0.28.1-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-PyMySQL0.8.0-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-attrs17.4.0-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-babel2.5.1-9.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-backports1.0-15.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-backports-ssl_match_hostname3.5.0.1-11.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-bson3.6.1-9.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-chardet3.0.4-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-coverage4.5.1-4.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-debug2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-devel2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-dns1.15.0-9.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-docs2.7.15-4.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-docs-info2.7.15-4.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-docutils0.14-12.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-funcsigs1.0.2-13.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-idna2.5-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-ipaddress1.0.18-6.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-jinja22.10-8.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-libs2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-lxml4.2.3-3.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-markupsafe0.23-19.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-mock2.0.0-13.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-nose1.3.7-30.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-numpy1:1.14.2-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-numpy-doc1:1.14.2-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-numpy-f2py1:1.14.2-10.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pip9.0.3-13.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pluggy0.6.0-8.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-psycopg22.7.5-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-psycopg2-debug2.7.5-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-psycopg2-tests2.7.5-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-py1.5.3-6.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pygments2.2.0-20.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pymongo3.6.1-9.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pymongo-gridfs3.6.1-9.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pysocks1.6.8-6.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pytest3.4.2-13.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pytest-mock1.9.0-4.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pytz2017.2-12.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-pyyaml3.12-16.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-requests2.20.0-2.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-rpm-macros3-38.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-scipy1.0.0-19.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-setuptools39.0.1-11.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-setuptools_scm1.15.7-6.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-six1.11.0-5.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-sqlalchemy1.3.2-1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-test2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-tkinter2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-tools2.7.15-22.0.1.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-urllib31.23-7.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-virtualenv15.1.0-18.module+el8.0.0+5233+93973c75
Oracle Linux 8python2-wheel1:0.30.0-13.module+el8.0.0+5233+93973c75
Oracle Linux 8python3-idle3.6.8-2.0.1.el8_0
Oracle Linux 8python3-libs3.6.8-2.0.1.el8_0
Oracle Linux 8python3-test3.6.8-2.0.1.el8_0
Oracle Linux 8python3-tkinter3.6.8-2.0.1.el8_0
rapidfort fedora 43python3.153.15.0-1.fc43
rapidfort fedora 43python3.15-debug3.15.0-1.fc43
rapidfort fedora 43python3.15-devel3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-debug3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-devel3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-idle3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-libs3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-test3.15.0-1.fc43
rapidfort fedora 43python3.15-freethreading-tkinter3.15.0-1.fc43
rapidfort fedora 43python3.15-idle3.15.0-1.fc43
rapidfort fedora 43python3.15-libs3.15.0-1.fc43
rapidfort fedora 43python3.15-test3.15.0-1.fc43
rapidfort fedora 43python3.15-tkinter3.15.0-1.fc43
rocky 8python27:2.7::babel2.5.1-9.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python-psycopg2-doc2.7.5-7.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-Cython0.28.1-7.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-PyMySQL0.8.0-10.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-attrs17.4.0-10.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-babel2.5.1-9.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-chardet3.0.4-10.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-coverage4.5.1-4.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-docutils0.14-12.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-funcsigs1.0.2-13.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-idna2.5-7.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-ipaddress1.0.18-6.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-jinja22.10-8.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-markupsafe0.23-19.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-mock2.0.0-13.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-pluggy0.6.0-8.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-psycopg22.7.5-7.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-psycopg2-debug2.7.5-7.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-psycopg2-tests2.7.5-7.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-py1.5.3-6.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-pysocks1.6.8-6.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-pytest3.4.2-13.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-pytest-mock1.9.0-4.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-pytz2017.2-12.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-pyyaml3.12-16.module+el8.5.0+706+735ec4b3
rocky 8python27:2.7::python2-rpm-macros3-38.module+el8.4.0+403+9ae17a31
rocky 8python27:2.7::python2-setuptools_scm1.15.7-6.module+el8.4.0+403+9ae17a31
rocky 8python36:3.6::python-nose-docs1.3.7-30.module+el8.3.0+120+426d8baf
ubuntu 14.04-ESMpython2.72.7.6-8ubuntu0.6+esm2
ubuntu 14.04-ESMpython3.43.4.3-1ubuntu1~14.04.7+esm2
ubuntu 14.04-ESMpython3.53.5.2-2ubuntu0~16.04.4~14.04.1+esm1
ubuntu 16.04python2.72.7.12-1ubuntu0~16.04.8
ubuntu 16.04python3.53.5.2-2ubuntu0~16.04.8
ubuntu 16.04-ESMpython2.72.7.12-1ubuntu0~16.04.8
ubuntu 16.04-ESMpython3.53.5.2-2ubuntu0~16.04.8
ubuntu 18.04python2.72.7.15-4ubuntu4~18.04.1
ubuntu 18.04python3.63.6.8-1~18.04.2
ubuntu 18.04-ESMpython2.72.7.15-4ubuntu4~18.04.1
ubuntu 18.04-ESMpython3.63.6.8-1~18.04.2
ubuntu 18.10python2.72.7.16-2~18.10

References

All 69 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.