Vulnerability · Published Sep 27, 2020 · Assigned by mitre

CVE-2020-26116

High 7.2

In plain English

A high-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 6.4% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.2High
Exploit odds (30 days)6.4%top 6.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 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 HTTPConnection.request.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8python-psycopg2-doc2.7.5-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python-sqlalchemy-doc1.3.2-2.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python-sqlalchemy-doc1.3.2-2.module_el8.5.0+2569+5c5719bcALSA-2021:1761
AlmaLinux:8python2-Cython0.28.1-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-PyMySQL0.8.0-10.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-attrs17.4.0-10.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-backports1.0-16.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-backports-ssl_match_hostname3.5.0.1-12.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-chardet3.0.4-10.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-coverage4.5.1-4.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-dns1.15.0-10.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-docs2.7.16-2.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-docs-info2.7.16-2.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-docutils0.14-12.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-funcsigs1.0.2-13.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-idna2.5-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-ipaddress1.0.18-6.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-markupsafe0.23-19.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-mock2.0.0-13.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-numpy1:1.14.2-16.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-numpy-doc1:1.14.2-16.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-numpy-f2py1:1.14.2-16.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pluggy0.6.0-8.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-psycopg22.7.5-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-psycopg2-debug2.7.5-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-psycopg2-tests2.7.5-7.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-py1.5.3-6.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pysocks1.6.8-6.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pytest3.4.2-13.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pytest-mock1.9.0-4.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pytz2017.2-12.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-pyyaml3.12-16.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-requests2.20.0-3.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-rpm-macros3-38.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-setuptools39.0.1-13.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-setuptools-wheel39.0.1-13.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-setuptools_scm1.15.7-6.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-six1.11.0-6.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-sqlalchemy1.3.2-2.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python2-urllib31.24.2-3.module_el8.6.0+2781+fed64c13ALSA-2021:1761
AlmaLinux:8python38-Cython0.29.14-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-PyMySQL0.10.1-1.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-asn1crypto1.2.0-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-cffi1.13.2-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-chardet3.0.4-19.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-cryptography2.8-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-idna2.8-6.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-markupsafe1.1.1-6.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-mod_wsgi4.6.8-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-ply3.11-10.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-psycopg22.8.4-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-psycopg2-doc2.8.4-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-psycopg2-tests2.8.4-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-pycparser2.19-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-pysocks1.7.1-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-pytz2019.3-3.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-requests2.22.0-9.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-scipy1.3.1-4.module_el8.6.0+2778+cd494b30ALSA-2021:1879
AlmaLinux:8python38-six1.12.0-10.module_el8.6.0+2778+cd494b30ALSA-2021:1879
Debian:12pypy37.3.3+dfsg-1DEBIAN-CVE-2020-26116
Debian:13pypy37.3.3+dfsg-1DEBIAN-CVE-2020-26116
Debian:14pypy37.3.3+dfsg-1DEBIAN-CVE-2020-26116
Rocky Linux:8Cython0:0.28.1-7.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8Cython0:0.28.1-7.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8Cython0:0.29.14-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8PyYAML0:3.12-16.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8PyYAML0:3.12-16.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8PyYAML0:5.3.1-1.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8babel0:2.7.0-10.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8babel0:2.5.1-9.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8mod_wsgi0:4.6.8-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8numpy1:1.14.2-16.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8numpy1:1.14.2-16.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8numpy0:1.17.3-5.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8pytest0:3.4.2-13.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8pytest0:3.4.2-13.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-PyMySQL0:0.8.0-10.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-PyMySQL0:0.10.1-1.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-PyMySQL0:0.8.0-10.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-PyMySQL0:0.10.1-1.module+el8.5.0+672+ab6eb015RLSA-2021:1879
Rocky Linux:8python-asn1crypto0:1.2.0-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-attrs0:17.4.0-10.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-attrs0:17.4.0-10.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-backports0:1.0-16.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-backports-ssl_match_hostname0:3.5.0.1-12.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-cffi0:1.13.2-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-chardet0:3.0.4-10.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-chardet0:3.0.4-10.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-chardet0:3.0.4-19.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-coverage0:4.5.1-4.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-coverage0:4.5.1-4.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-cryptography0:2.8-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-cryptography0:2.8-3.module+el8.5.0+672+ab6eb015RLSA-2021:1879
Rocky Linux:8python-dns0:1.15.0-10.el8RLSA-2021:1761
Rocky Linux:8python-dns0:1.15.0-10.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-dns0:1.15.0-10.module+el8.7.0+1062+663ba31cRLSA-2021:1761
Rocky Linux:8python-docs0:2.7.16-2.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-docutils0:0.14-12.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-docutils0:0.14-12.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-funcsigs0:1.0.2-13.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-idna0:2.8-6.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-idna0:2.5-7.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-idna0:2.5-7.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-ipaddress0:1.0.18-6.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-jinja20:2.10-8.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-jinja20:2.10.3-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-lxml0:4.4.1-5.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-lxml0:4.2.3-4.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-lxml0:4.2.3-4.el8RLSA-2021:1761
Rocky Linux:8python-markupsafe0:0.23-19.el8RLSA-2021:1761
Rocky Linux:8python-markupsafe0:1.1.1-6.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-markupsafe0:0.23-19.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-mock0:2.0.0-13.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-nose0:1.3.7-30.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-pluggy0:0.6.0-8.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-pluggy0:0.6.0-8.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-ply0:3.11-10.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-psutil0:5.6.4-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-psycopg20:2.7.5-7.el8RLSA-2021:1761
Rocky Linux:8python-psycopg20:2.8.4-4.module+el8.6.0+794+eba84017RLSA-2021:1879
Rocky Linux:8python-psycopg20:2.8.4-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-psycopg20:2.7.5-7.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-py0:1.5.3-6.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-py0:1.5.3-6.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-pycparser0:2.19-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-pygments0:2.2.0-20.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-pymongo0:3.6.1-11.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-pysocks0:1.6.8-6.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-pysocks0:1.7.1-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-pysocks0:1.6.8-6.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-pytest-mock0:1.9.0-4.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-requests0:2.22.0-9.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-requests0:2.20.0-3.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-requests0:2.20.0-3.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-setuptools_scm0:1.15.7-6.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-sqlalchemy0:1.3.2-2.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-sqlalchemy0:1.3.2-2.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-urllib30:1.24.2-3.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8python-urllib30:1.25.7-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python-urllib30:1.24.2-3.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python-virtualenv0:15.1.0-19.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-wheel1:0.31.1-2.module+el8.3.0+120+426d8bafRLSA-2021:1761
Rocky Linux:8python-wheel0:0.33.6-5.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python20:2.7.18-4.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python2-pip0:9.0.3-18.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python2-rpm-macros0:3-38.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python2-setuptools0:39.0.1-13.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python2-six0:1.11.0-6.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8python380:3.8.6-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python3x-pip0:19.3.1-1.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python3x-setuptools0:41.6.0-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8python3x-six0:1.12.0-10.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8pytz0:2017.2-12.module+el8.5.0+706+735ec4b3RLSA-2021:1761
Rocky Linux:8pytz0:2017.2-12.module+el8.4.0+403+9ae17a31RLSA-2021:1761
Rocky Linux:8pytz0:2019.3-3.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8scipy0:1.3.1-4.module+el8.4.0+570+c2eaf144RLSA-2021:1879
Rocky Linux:8scipy0:1.3.1-4.module+el8.5.0+672+ab6eb015RLSA-2021:1879
Rocky Linux:8scipy0:1.0.0-20.module+el8.3.0+120+426d8bafRLSA-2021:1761
Ubuntu:22.04:LTSpython3.103.10.12-1~22.04.4USN-6891-1

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References