FlawAtlas
Search the atlas
SUSE-SU-2021:2818-1 Not scored

Security update for python-PyYAML

This update for python-PyYAML fixes the following issues: - Update to 5.3.1. - CVE-2020-14343: A vulnerability was discovered in the PyYAML library, where it was susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.

Exploit probability Not scored
Published August 24, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

SUSE:HPE Helion OpenStack 8 python-PyYAML
SUSE:Linux Enterprise Module for Public Cloud 12 python-PyYAML
SUSE:Linux Enterprise Server 12 SP3-BCL python-PyYAML
SUSE:Linux Enterprise Server 12 SP3-LTSS python-PyYAML
SUSE:Linux Enterprise Server 12 SP4-LTSS python-PyYAML
SUSE:Linux Enterprise Server 12 SP5 python-PyYAML
SUSE:Linux Enterprise Server for SAP Applications 12 SP3 python-PyYAML
SUSE:Linux Enterprise Server for SAP Applications 12 SP4 python-PyYAML
SUSE:Linux Enterprise Server for SAP Applications 12 SP5 python-PyYAML
SUSE:OpenStack Cloud 7 python-PyYAML
SUSE:OpenStack Cloud 8 python-PyYAML
SUSE:OpenStack Cloud 9 python-PyYAML
SUSE:OpenStack Cloud Crowbar 8 python-PyYAML
SUSE:OpenStack Cloud Crowbar 9 python-PyYAML

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities SUSE-SU-2021:2818-1

This update for python-PyYAML fixes the following issues: - Update to 5.3.1. - CVE-2020-14343: A vulnerability was discovered in the PyYAML library, where it was susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.

View original source

05 / REFERENCES

Further evidence