Security update for xterm

This update for xterm fixes the following issues:

- CVE-2021-27135: Fixed buffer-overflow when clicking on selected utf8 text. (bsc#1182091)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Fixed bugs
bnc#1182091
VUL-0: CVE-2021-27135: xterm: crash when processing combining characters
Selected Binaries
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