Package "pyyaml"

Name: pyyaml


This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • YAML parser and emitter for Python3
  • YAML parser and emitter for Python3 (debug build)

Latest version: 5.3.1-1ubuntu0.1
Release: focal (20.04)
Level: security
Repository: main


Other versions of "pyyaml" in Focal

Repository Area Version
base universe 5.3.1-1
base main 5.3.1-1
security universe 5.3.1-1ubuntu0.1
updates main 5.3.1-1ubuntu0.1
updates universe 5.3.1-1ubuntu0.1

Packages in group

Deleted packages are displayed in grey.


Version: 5.3.1-1ubuntu0.1 2021-05-10 15:07:09 UTC

  pyyaml (5.3.1-1ubuntu0.1) focal-security; urgency=medium

  * SECURITY UPDATE: FullLoader arbitrary code execution
    - debian/patches/CVE-2020-14343.patch: move a few constructors from
      full_load to unsafe_load in lib/yaml/constructor.py,
      lib3/yaml/constructor.py, tests/lib/test_recursive.py,
    - CVE-2020-14343

 -- Marc Deslauriers <email address hidden> Mon, 12 Apr 2021 09:28:38 -0400

CVE-2020-14343 A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes un

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