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osvGoogleOSV:GHSA-3PQX-4FQF-J49F
HistoryApr 20, 2021 - 4:40 p.m.

Deserialization of Untrusted Data in PyYAML

2021-04-2016:40:42
Google
osv.dev
17

0.175 Low

EPSS

Percentile

96.2%

PyYAML 5.1 through 5.1.2 has insufficient restrictions on the load and load_all functions because of a class deserialization issue, e.g., Popen is a class in the subprocess module. NOTE: this issue exists because of an incomplete fix for CVE-2017-18342.

CPENameOperatorVersion
pyyamleq5.2b1
pyyamleq5.1
pyyamleq5.1.2
pyyamleq5.1.1