Resource Exhaustion Affecting python38:3.8/python38-mod_wsgi package, versions <0:4.6.8-3.module_el8.6.0+2778+cd494b30


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.44% (75th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PYTHON38-5726591
  • published28 May 2023
  • disclosed9 Nov 2021

Introduced: 9 Nov 2021

CVE-2021-33503  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 python38:3.8/python38-mod_wsgi to version 0:4.6.8-3.module_el8.6.0+2778+cd494b30 or higher.
This issue was patched in ALSA-2021:4162.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python38:3.8/python38-mod_wsgi package and not the python38:3.8/python38-mod_wsgi package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

CVSS Scores

version 3.1