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GHSA-jfmj-5v4g-7637

GitHub Security Advisory

zipp Denial of Service vulnerability

✓ GitHub Reviewed MODERATE Has CVE

Advisory Details

A Denial of Service (DoS) vulnerability exists in the jaraco/zipp library, affecting all versions prior to 3.19.1. The vulnerability is triggered when processing a specially crafted zip file that leads to an infinite loop. This issue also impacts the zipfile module of CPython, as features from the third-party zipp library are later merged into CPython, and the affected code is identical in both projects. The infinite loop can be initiated through the use of functions affecting the `Path` module in both zipp and zipfile, such as `joinpath`, the overloaded division operator, and `iterdir`. Although the infinite loop is not resource exhaustive, it prevents the application from responding. The vulnerability was addressed in version 3.19.1 of jaraco/zipp.

Affected Packages

PyPI zipp
Affected versions: 0 (fixed in 3.19.1)

Related CVEs

Key Information

GHSA ID
GHSA-jfmj-5v4g-7637
Published
July 9, 2024 12:31 AM
Last Modified
July 9, 2024 5:25 PM
CVSS Score
5.0 /10
Primary Ecosystem
PyPI
Primary Package
zipp
GitHub Reviewed
✓ Yes

Dataset

Last updated: September 9, 2025 6:37 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.