# CVE-2019-15795: python3-apt: python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of a...

CVE-2019-15795 is fixed in 3 products on 1 platform, first by python-apt 1.6.5ubuntu0.1, released January 19, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-15795
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0045
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 19, 2020

## Description

python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-apt Ubuntu 18.04.6 LTS (bionic) | 1.6.5ubuntu0.1 | [python-apt 1.6.5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-apt-1.6.5ubuntu0.1.md) | Jan 19, 2020 |
| Linux | python-apt-common Ubuntu 18.04.6 LTS (bionic) | 1.6.5ubuntu0.1 | [python-apt-common 1.6.5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-apt-common-1.6.5ubuntu0.1.md) | Jan 19, 2020 |
| Linux | python3-apt Ubuntu 18.04.6 LTS (bionic) | 1.6.5ubuntu0.1 | [python3-apt 1.6.5ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-apt-1.6.5ubuntu0.1.md) | Jan 19, 2020 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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