CVE-2017-18342

PyYAML insecurely deserializes YAML strings leading to arbitrary code execution

Description

In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.

Patch Available

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Fix without upgrading

Score

Severity

Ecosystem

RPM

Publish Date

June 27, 2018

Modified Date

November 7, 2023

Score Vector

Affected Versions