Provide references for CVE-2021-45972.
Where can I find more information about CVE-2021-45972?
References are available at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002739, http://web.archive.org/web/20150801185019/, https://www.abdn.ac.uk/tools/ibmpc/giftrans/index.hti.