USN-5821-4
python-pip regression
USN-5821-3 fixed a vulnerability in pip. The update introduced a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.
What each source reports
OSV No score
python-pip regression
USN-5821-3 fixed a vulnerability in pip. The update introduced a minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.
- Record
USN-5821-4- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-pipUbuntu:Pro:14.04:LTS |
before 1.5.4-1ubuntu4+esm4, plus listed versions 1.4.1-21.5.4-11.5.4-1ubuntu11.5.4-1ubuntu31.5.4-1ubuntu41.5.4-1ubuntu4+esm11.5.4-1ubuntu4+esm21.5.4-1ubuntu4+esm3 |
1.5.4-1ubuntu4+esm4 |
python-pipUbuntu:Pro:16.04:LTS |
before 8.1.1-2ubuntu0.6+esm5, plus listed versions 1.5.6-7ubuntu11.5.6-7ubuntu28.0.2-78.0.3-18.0.3-2 Show 11 moreShow less8.1.0-18.1.0-28.1.1-18.1.1-28.1.1-2ubuntu0.18.1.1-2ubuntu0.28.1.1-2ubuntu0.48.1.1-2ubuntu0.68.1.1-2ubuntu0.6+esm28.1.1-2ubuntu0.6+esm38.1.1-2ubuntu0.6+esm4 |
8.1.1-2ubuntu0.6+esm5 |
python-pipUbuntu:18.04:LTS |
before 9.0.1-2.3~ubuntu1.18.04.8, plus listed versions 9.0.1-29.0.1-2.3~ubuntu19.0.1-2.3~ubuntu1.18.04.19.0.1-2.3~ubuntu1.18.04.29.0.1-2.3~ubuntu1.18.04.3 Show 4 moreShow less9.0.1-2.3~ubuntu1.18.04.49.0.1-2.3~ubuntu1.18.04.59.0.1-2.3~ubuntu1.18.04.69.0.1-2.3~ubuntu1.18.04.7 |
9.0.1-2.3~ubuntu1.18.04.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-5821-4 is a vulnerability with no CVSS score yet in python-pip, published March 2, 2023. No source lists public exploit code. Fixed in python-pip 1.5.4-1ubuntu4+esm4.