Vulnerability · Published Sep 29, 2020 · Assigned by mitre
CVE-2020-26137
Medium 6.5
In plain English
A medium-severity security flaw in the python-psycopg2-doc package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.3%top 16.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | python-psycopg2-doc | 2.7.5-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python-sqlalchemy-doc | 1.3.2-2.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python-sqlalchemy-doc | 1.3.2-2.module_el8.5.0+2569+5c5719bc | ALSA-2021:1761 |
| AlmaLinux:8 | python2-Cython | 0.28.1-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-PyMySQL | 0.8.0-10.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-attrs | 17.4.0-10.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-backports | 1.0-16.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-backports-ssl_match_hostname | 3.5.0.1-12.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-chardet | 3.0.4-10.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-coverage | 4.5.1-4.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-dns | 1.15.0-10.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-docs | 2.7.16-2.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-docs-info | 2.7.16-2.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-docutils | 0.14-12.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-funcsigs | 1.0.2-13.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-idna | 2.5-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-ipaddress | 1.0.18-6.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-markupsafe | 0.23-19.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-mock | 2.0.0-13.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-numpy | 1:1.14.2-16.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-numpy-doc | 1:1.14.2-16.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-numpy-f2py | 1:1.14.2-16.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pluggy | 0.6.0-8.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-psycopg2 | 2.7.5-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-psycopg2-debug | 2.7.5-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-psycopg2-tests | 2.7.5-7.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-py | 1.5.3-6.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pysocks | 1.6.8-6.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pytest | 3.4.2-13.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pytest-mock | 1.9.0-4.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pytz | 2017.2-12.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-pyyaml | 3.12-16.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-requests | 2.20.0-3.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-rpm-macros | 3-38.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-setuptools | 39.0.1-13.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-setuptools-wheel | 39.0.1-13.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-setuptools_scm | 1.15.7-6.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-six | 1.11.0-6.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-sqlalchemy | 1.3.2-2.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python2-urllib3 | 1.24.2-3.module_el8.6.0+2781+fed64c13 | ALSA-2021:1761 |
| AlmaLinux:8 | python3-urllib3 | 1.24.2-5.el8 | ALSA-2021:1631 |
| Alpine:v3.20 | py3-urllib3 | 1.25.9-r0 | ALPINE-CVE-2020-26137 |
| Alpine:v3.21 | py3-urllib3 | 1.25.9-r0 | ALPINE-CVE-2020-26137 |
| Alpine:v3.22 | py3-urllib3 | 1.25.9-r0 | ALPINE-CVE-2020-26137 |
| Alpine:v3.23 | py3-urllib3 | 1.25.9-r0 | ALPINE-CVE-2020-26137 |
| Alpine:v3.24 | py3-urllib3 | 1.25.9-r0 | ALPINE-CVE-2020-26137 |
| Debian:12 | python-urllib3 | 1.25.9-1 | DEBIAN-CVE-2020-26137 |
| Debian:13 | python-urllib3 | 1.25.9-1 | DEBIAN-CVE-2020-26137 |
| Debian:14 | python-urllib3 | 1.25.9-1 | DEBIAN-CVE-2020-26137 |
| PyPI | urllib3 | 1.25.9 | PYSEC-2020-148 |
| PyPI | urllib3 | 1.25.9 | GHSA-wqvq-5m8c-6g24 |
| Rocky Linux:8 | Cython | 0:0.28.1-7.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | Cython | 0:0.28.1-7.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | PyYAML | 0:3.12-16.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | PyYAML | 0:3.12-16.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | babel | 0:2.5.1-9.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | numpy | 1:1.14.2-16.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | numpy | 1:1.14.2-16.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | pytest | 0:3.4.2-13.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | pytest | 0:3.4.2-13.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-PyMySQL | 0:0.8.0-10.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-PyMySQL | 0:0.8.0-10.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-attrs | 0:17.4.0-10.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-attrs | 0:17.4.0-10.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-backports | 0:1.0-16.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-backports-ssl_match_hostname | 0:3.5.0.1-12.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-chardet | 0:3.0.4-10.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-chardet | 0:3.0.4-10.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-coverage | 0:4.5.1-4.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-coverage | 0:4.5.1-4.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-dns | 0:1.15.0-10.module+el8.7.0+1062+663ba31c | RLSA-2021:1761 |
| Rocky Linux:8 | python-dns | 0:1.15.0-10.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-dns | 0:1.15.0-10.el8 | RLSA-2021:1761 |
| Rocky Linux:8 | python-docs | 0:2.7.16-2.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-docutils | 0:0.14-12.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-docutils | 0:0.14-12.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-funcsigs | 0:1.0.2-13.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-idna | 0:2.5-7.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-idna | 0:2.5-7.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-ipaddress | 0:1.0.18-6.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-jinja2 | 0:2.10-8.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-lxml | 0:4.2.3-4.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-lxml | 0:4.2.3-4.el8 | RLSA-2021:1761 |
| Rocky Linux:8 | python-markupsafe | 0:0.23-19.el8 | RLSA-2021:1761 |
| Rocky Linux:8 | python-markupsafe | 0:0.23-19.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-mock | 0:2.0.0-13.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-nose | 0:1.3.7-30.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-pluggy | 0:0.6.0-8.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-pluggy | 0:0.6.0-8.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-psycopg2 | 0:2.7.5-7.el8 | RLSA-2021:1761 |
| Rocky Linux:8 | python-psycopg2 | 0:2.7.5-7.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-py | 0:1.5.3-6.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-py | 0:1.5.3-6.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-pygments | 0:2.2.0-20.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-pymongo | 0:3.6.1-11.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-pysocks | 0:1.6.8-6.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-pysocks | 0:1.6.8-6.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-pytest-mock | 0:1.9.0-4.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-requests | 0:2.20.0-3.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-requests | 0:2.20.0-3.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-setuptools_scm | 0:1.15.7-6.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-sqlalchemy | 0:1.3.2-2.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-sqlalchemy | 0:1.3.2-2.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-urllib3 | 0:1.24.2-5.el8 | RLSA-2021:1631 |
| Rocky Linux:8 | python-urllib3 | 0:1.24.2-3.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | python-urllib3 | 0:1.24.2-3.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python-virtualenv | 0:15.1.0-19.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python-wheel | 1:0.31.1-2.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
| Rocky Linux:8 | python2 | 0:2.7.18-4.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python2-pip | 0:9.0.3-18.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python2-rpm-macros | 0:3-38.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python2-setuptools | 0:39.0.1-13.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | python2-six | 0:1.11.0-6.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | pytz | 0:2017.2-12.module+el8.5.0+706+735ec4b3 | RLSA-2021:1761 |
| Rocky Linux:8 | pytz | 0:2017.2-12.module+el8.4.0+403+9ae17a31 | RLSA-2021:1761 |
| Rocky Linux:8 | scipy | 0:1.0.0-20.module+el8.3.0+120+426d8baf | RLSA-2021:1761 |
Affected products (as reported)
References
- https://bugs.python.org/issue39603
- https://github.com/urllib3/urllib3/pull/1800
- https://github.com/urllib3/urllib3/commit/1dd69c5c5982fae7c87a620d487c2ebf7a6b436b
- USN-4570-1 vendor-advisory
- [debian-lts-announce] 20210615 [SECURITY] [DLA 2686-1] python-urllib3 security update mailing-list
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- [debian-lts-announce] 20231008 [SECURITY] [DLA 3610-1] python-urllib3 security update mailing-list