CVE-2020-14343

NameCVE-2020-14343
Description.load() and FullLoader still vulnerable to fairly trivial RCE
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
Debian Bugs966233

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pyyaml (PTS)stretch3.12-1fixed
buster3.13-2fixed
bullseye, sid5.3.1-3vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pyyamlsourcestretch(not affected)
pyyamlsourcebuster(not affected)
pyyamlsource(unstable)(unfixed)966233

Notes

[buster] - pyyaml <not-affected> (Vulnerable code not present)
[stretch] - pyyaml <not-affected> (Vulnerable code not present)
https://github.com/yaml/pyyaml/issues/420
CVE is for an incomplete fix of CVE-2020-1747.

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