patch 9.0.1847: [security] potential oob write in do_addsub() Commit: https://github.com/vim/vim/commit/889f6af37164775192e33b233a90e86fd3df0f57 Author: Christian Brabandt <cb@256bit.org> Date: Sat Sep 2 19:43:33 2023 +0200 patch 9.0.1847: [security] potential oob write in do_addsub() Problem: potential oob write in do_addsub() Solution: don't overflow buf2, check size in for loop() Signed-off-by: Christian Brabandt <cb@256bit.org>

>f+0&#ffffff0|u|n|c|t|i|o|n|(| |o+0#ffffff16#ff404010|n|e|:| |c+0#0000000#ffff4012|a|l@1|,+0&#ffffff0| |t+0#00e0e07&|w|o|:| |a+0#0000000#ffff4012|r|g|u|m|e|n|t|,+0&#ffffff0| |t+0&#ffd7ff255|h|r|e@1|:| |h+0&#ffff4012|e|r|e| +0&#ffffff0|)| @25
|~+0#4040ff13&| @73
|~| @73
|~| @73
| +0#0000000&@56|1|,|1| @10|A|l@1|