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CVE-2020-8492

Published: 30 January 2020

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

Priority

Low

CVSS 3 base score: 6.5

Status

Package Release Status
python2.7
Launchpad, Ubuntu, Debian
bionic
Released (2.7.17-1~18.04ubuntu1)
eoan Ignored
(reached end-of-life)
focal
Released (2.7.18-1~20.04.1)
groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Needs triage

jammy Needs triage

precise
Released (2.7.3-0ubuntu3.17)
trusty
Released (2.7.6-8ubuntu0.6+esm5)
upstream Needs triage

xenial
Released (2.7.12-1ubuntu0~16.04.11)
python3.4
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty
Released (3.4.3-1ubuntu1~14.04.7+esm6)
upstream Needs triage

xenial Does not exist

python3.5
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Needs triage

upstream Needs triage

xenial
Released (3.5.2-2ubuntu0~16.04.10)
python3.6
Launchpad, Ubuntu, Debian
bionic
Released (3.6.9-1~18.04ubuntu1)
eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:
upstream: https://github.com/python/cpython/commit/69cdeeb93e0830004a495ed854022425b93b3f3e


python3.7
Launchpad, Ubuntu, Debian
bionic
Released (3.7.5-2ubuntu1~18.04.2)
eoan
Released (3.7.5-2~19.10ubuntu1)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:

upstream: https://github.com/python/cpython/commit/b57a73694e26e8b2391731b5ee0b1be59437388e

python3.8
Launchpad, Ubuntu, Debian
bionic
Released (3.8.0-3ubuntu1~18.04.2)
eoan Ignored
(reached end-of-life)
focal
Released (3.8.2-1ubuntu1.1)
groovy
Released (3.8.2-1ubuntu1.1)
hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Patches:


upstream: https://github.com/python/cpython/commit/ea9e240aa02372440be8024acb110371f69c9d41