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Resource Exhaustion Affecting python3-libs package, versions <0:3.6.8-31.el8

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Availability High

    Threat Intelligence

    EPSS 0.84% (82nd percentile)
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NVD
6.5 medium
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SUSE
6.5 medium
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Red Hat
6.5 medium

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  • Snyk ID SNYK-CENTOS8-PYTHON3LIBS-2056151
  • published 26 Jul 2021
  • disclosed 2 Mar 2020
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Introduced: 2 Mar 2020

CVE-2020-8492 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Centos:8 python3-libs to version 0:3.6.8-31.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libs package and not the python3-libs package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

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.

References