[DSA 4586-1] ruby2.5 security update

Several vulnerabilities have been discovered in the interpreter for the Ruby language, which could result in unauthorized access by bypassing intended path matchings, denial of service, or the execution of arbitrary code.

Package : ruby2.5
CVE ID : CVE-2019-15845 CVE-2019-16201 CVE-2019-16254 CVE-2019-16255

Several vulnerabilities have been discovered in the interpreter for the
Ruby language, which could result in unauthorized access by bypassing
intended path matchings, denial of service, or the execution of
arbitrary code.

For the stable distribution (buster), these problems have been fixed in
version 2.5.5-3+deb10u1.

We recommend that you upgrade your ruby2.5 packages.

For the detailed security status of ruby2.5 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/ruby2.5

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/