[Beaker] Deserialization of Untrusted Data in Beaker

The Beaker library through 1.11.0 for Python is affected by deserialization of untrusted data, which could lead to arbitrary code execution.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-7489
• https://github.com/bbangert/beaker/issues/191
• https://bugzilla.redhat.com/show_bug.cgi?id=1850105
• https://www.openwall.com/lists/oss-security/2020/05/14/11
• https://github.com/advisories/GHSA-3cwm-7jmm-774w