CVE-2020-26213 – In teler before version 0.0.1, if you run teler inside a Docker container

In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function, it will cause denial-of-service (`SIGSEGV`) because it doesn’t get process ID and process group ID of teler properly to kills. The issue is patched in teler 0.0.1 and 0.0.1-dev5.1.

Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26213

Reference (s):

• https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf
• URL: https://github.com/kitabisa/teler/security/advisories/GHSA-jhj6-5mh6-4pvf
• https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e
• URL: https://github.com/kitabisa/teler/commit/ec6082049dba9e44a21f35fb7b123d42ce1a1a7e