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Medium severity4.7NVD Advisory· Published Mar 26, 2020· Updated Jun 17, 2026

CVE-2019-15796

CVE-2019-15796

Description

Python-apt doesn't check if hashes are signed in Version.fetch_binary() and Version.fetch_source() of apt/package.py or in _fetch_archives() of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn't be allowed and has been fixed in verisions 1.9.5, 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
python-aptPyPI
< 0.8.3ubuntu7.50.8.3ubuntu7.5
python-aptPyPI
>= 0.9.0, < 0.9.3.5ubuntu30.9.3.5ubuntu3
python-aptPyPI
>= 1.2.0, < 1.6.5ubuntu0.11.6.5ubuntu0.1
python-aptPyPI
>= 1.7.0, < 1.9.0ubuntu1.21.9.0ubuntu1.2
python-aptPyPI
>= 1.9.1, < 1.9.51.9.5

Affected products

68
  • Debian/Python Apt
    cpe:2.3:a:debian:python-apt:1.8.4:*:*:*:*:*:*:*
  • Ubuntu/python-apt65 versions
    cpe:2.3:a:ubuntu:python-apt:0.8.0:ubuntu9:*:*:*:*:*:*+ 64 more
    • cpe:2.3:a:ubuntu:python-apt:0.8.0:ubuntu9:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.1:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu3:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu4:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu5:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu6:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu7.1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu7.2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu7.3:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.3:ubuntu7:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.9.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.8.9.1:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.1:build1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.1:build2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.1:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.2:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.2:ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.3:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.3:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.4:build1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.5:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:0.9.3.5:ubuntu3:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.0.1:build1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.0.1:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.0.1:ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1build1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.3:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.4:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.1.0:beta1ubuntu0.16.04.5:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.4.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.4.0:beta3build2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.4.0:beta3ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.0:rc1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.0:rc2ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.0:rc2ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.0:rc3:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.3:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.3:ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.6.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.7.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.0:alpha0\~ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.0:alpha0\~ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.1:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.3:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.8.4:*:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.9.0:alpha0\~ubuntu1:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.9.0:alpha0\~ubuntu2:*:*:*:*:*:*
    • cpe:2.3:a:ubuntu:python-apt:1.9.0:ubuntu1:*:*:*:*:*:*
  • ghsa-coords
    pkg:pypi/python-apt
    Range: < 0.8.3ubuntu7.5
  • Canonical/Python-aptv5
    Range: 0.8.3

Patches

Vulnerability mechanics

References

6

News mentions

0

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