CVE-2022-40897

high

Description

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.

References

Advisories
More

https://pyup.io/vulnerabilities/CVE-2022-40897/52495/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/

https://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1

https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be

https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200

https://github.com/rook-jpg/CVE-gate

https://github.com/amnsecurity/CVE-2026-35204-Helm-Plugin-Traversal

https://github.com/RohitKumarReddySakam/supply-chain-scanner

https://github.com/BlackRoad-OS/blackroad-vuln-scanner

https://github.com/advisories/GHSA-r9hx-vwmv-q579

https://security.netapp.com/advisory/ntap-20240621-0006/

https://security.netapp.com/advisory/ntap-20230214-0001/

https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/

https://lists.debian.org/debian-lts-announce/2024/09/msg00018.html

Details

Source: Mitre, NVD

Published: 2022-12-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:L/SI:L/SA:N

Severity: High

EPSS

EPSS: 0.00326

Detections

Analytics