Search/CVE-2022-40897
● CVE — Medium

CVE-2022-40897

VendorpythonProductsetuptoolsDiscoveredDec 23, 2022UpdatedNov 4, 2025

Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.

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CVSS v3.1
5.9 MEDIUM
EPSS
2.63%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 23, 2026
▲ 0.02pp
2.62% → 2.63% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Dec 23, 2022
Disclosure — published as a CVE record. · last revised by NVD Nov 4, 2025