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Resource Exhaustion The advisory has been revoked - it doesn't affect any version of package python38:3.8/python38-idna  (opens in a new tab)

Threat Intelligence

EPSS
0.44% (75th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PYTHON38-8067135
  • published20 Sept 2024
  • disclosed9 Nov 2021
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Introduced: 9 Nov 2021

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

Amendment

The AlmaLinux security team deemed this advisory irrelevant for AlmaLinux:8.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python38:3.8/python38-idna package and not the python38:3.8/python38-idna package as distributed by AlmaLinux.

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.

References