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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade py3-zipp | Nov 10, 2025 | Jul 9, 2024 |
| Debian | — | Upgrade python-zipp | May 15, 2025 | Jul 9, 2024 |
| Dell Powerstore Dsa2025342 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Sep 2, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade python3-zipp | Oct 9, 2024 | Jul 9, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-zipp | Nov 5, 2024 | Jul 9, 2024 |
| Oracle_linux | — | Upgrade python3-zipp | Dec 22, 2025 | Jul 9, 2024 |
| Redhat Openshift | — | Upgrade python-zipp | Oct 24, 2024 | Jul 9, 2024 |
| Suse | — | Upgrade python311-zippUpgrade python313-zipp | Jul 12, 2024 | Jul 9, 2024 |
| Ubuntu | — | Upgrade python-zippUpgrade python3-zippUpgrade pypy-zipp | Jul 25, 2024 | Jul 9, 2024 |
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