[Python-modules-team] Bug#966233: pyyaml: CVE-2020-14343

[Salvatore Bonaccorso]

Source: pyyaml
Version: 5.3.1-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/yaml/pyyaml/issues/420
X-Debbugs-Cc: Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for pyyaml.

CVE-2020-14343[0]:
| .load() and FullLoader still vulnerable to fairly trivial RCE

The CVE is for an incomplete fix of CVE-2020-1747, see [1].

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-2020-14343
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14343
[1] https://github.com/yaml/pyyaml/issues/420

Regards,
Salvatore