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The vulnerability of Python Packaging Authority’s installation tools is related to an incorrect regular expression, allowing a violator to trigger a service failure.

🗓️ 10 May 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 1 Views

Python Packaging Authority tools have regex and HTML validation flaws enabling denial of service.

Related
Detection
Refs
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Rows per page
Vulners
Node
pythonsetuptoolsRange<65.5.1
OR
project_harborharborMatch2.7.0
OR
googleandroid_studioMatch2025.2.3.9
OR
fedorafedoraMatch36
OR
fedorafedoraMatch37

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10 Feb 2026 00:00Current
6.7Medium risk
Vulners AI Score6.7
CVSS 25.4
CVSS 35.9
EPSS0.00513
python packaging authorityregex flawhypertext markup languagedenial of service
1