CVE-2019-15795: Debian Python-Apt

Medium severity, CVSS 4.7. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Python-Apt: version 1.8.4 only
• Ubuntu Python-Apt: version 0.8.0 only; version 0.8.1 only; version 0.8.3 only; version 0.8.9.1 only; version 0.9.0 only; version 0.9.1 only; …

Published 2020-03-26. Last modified 2026-06-17.