Regarding a Vulnerability in Boost.Regex library

Hello everyone,
Hope you all are doing well.

There is a Vulnerability reported on Boost library as mentioned below.  Any
guidance or assistance or reply to this mail would be greatly appreciated.

*Vulnerability ID:* BDSA-2018-2656
*Vulnerability Details:*
          Boost has a flaw in the function
boost::re_detail_NUMBER::basic_regex_creator which can lead to a buffer
over-read. An attacker can craft and send a malicious file which will
trigger the buffer over-read, leading to a denial-of-service.

Few query w.r.t boost::re_detail_NUMBER::basic_regex_creator() function:

1. Does Boost.Regex library or any Boost library internally use this
function?
2. If the answer is yes, Which all libraries use this function?
3. Is this a known vulnerability and is it fixed in the latest Boost
version? please provide some insights like (any change list or file name
etc).

Our project uses a boost library(which has file
"boost/regex/v4/basic_regex_creator.hpp") and uses Boost.Regex library
functions. *Should we be worried about this vulnerability (BDSA-2018-2656)
affecting our code? *

Thanks!

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