Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
The upstream bug for this issue is: https://sourceware.org/bugzilla/show_bug.cgi?id=33637. The fix for this was entirely within binutils/dwarf.c, which is only used for processing DWARF for binutils tools, readelf, objdump, etc. This file is not used by GDB. As such, this bug does not apply to GDB.