Created attachment 161489 [details]
Tested on 22.214.171.124 FreeBSD 12.1-RELEASE and 126.96.36.199 Astra Linux 2.12.29.
Run Writer with vcl x11.
Select some text, move mouse cursor to move text, press esc without releasing the left mouse button.
Thanks for reporting this issue.
This is a duplicate of bug 133053
*** This bug has been marked as a duplicate of bug 133053 ***