# CVE-2020-29651: pypy-py: A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could b...

CVE-2020-29651 is fixed in 3 products on 1 platform, first by pypy-py 1.5.2-1ubuntu0.1, released December 8, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-29651
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0454
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 8, 2020

## Description

A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by attackers to cause a compute-time denial of service attack by supplying malicious input to the blame functionality.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pypy-py Ubuntu 18.04.6 LTS (bionic) | 1.5.2-1ubuntu0.1 | [pypy-py 1.5.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pypy-py-1.5.2-1ubuntu0.1.md) | Dec 8, 2020 |
| Linux | pypy-py Ubuntu 20.04 LTS (focal) | 1.8.1-1ubuntu0.1 | [pypy-py 1.8.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pypy-py-1.8.1-1ubuntu0.1.md) | Dec 8, 2020 |
| Linux | python-py Ubuntu 18.04.6 LTS (bionic) | 1.5.2-1ubuntu0.1 | [python-py 1.5.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-py-1.5.2-1ubuntu0.1.md) | Dec 8, 2020 |
| Linux | python-py Ubuntu 20.04 LTS (focal) | 1.8.1-1ubuntu0.1 | [python-py 1.8.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-py-1.8.1-1ubuntu0.1.md) | Dec 8, 2020 |
| Linux | python3-py Ubuntu 18.04.6 LTS (bionic) | 1.5.2-1ubuntu0.1 | [python3-py 1.5.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-py-1.5.2-1ubuntu0.1.md) | Dec 8, 2020 |
| Linux | python3-py Ubuntu 20.04 LTS (focal) | 1.8.1-1ubuntu0.1 | [python3-py 1.8.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-py-1.8.1-1ubuntu0.1.md) | Dec 8, 2020 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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