xterm through Patch #365 allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted UTF-8 character sequence.
xterm-366-alt1 -> sisyphus: Wed Feb 24 2021 Fr. Br. George <george@altlinux.ru> 366-alt1 - Autobuild version bump to 366 - CVE-2021-27135 (Closes: #39725)