[Python-modules-team] Bug#953013: pyyaml: CVE-2020-1747: arbitrary command execution through python/object/new when FullLoader is used

[Salvatore Bonaccorso]

Source: pyyaml
Version: 5.3-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/yaml/pyyaml/pull/386

Hi,

The following vulnerability was published for pyyaml.

CVE-2020-1747[0]:
|arbitrary command execution through python/object/new when FullLoader
|is used

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-1747
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1747
[1] https://github.com/yaml/pyyaml/pull/386

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore