openSUSE: 2023:0306-2 Important: rxvt-unicode Vulnerability Exploit

This update for rxvt-unicode fixes the following issues:

- Update to version 9.31: (CVE-2022-4170 boo#1206069)

- implement a fix for CVE-2022-4170 (reported and analyzed by David

Leadbeater). While present in version 9.30, it should not be

exploitable. It is exploitable in versions 9.25 and 9.26, at least,

and allows anybody controlling output to the terminal to execute

arbitrary code in the urxvt process.

- the background extension no longer requires off focus fading support

to be compiled in.

- the confirm-paste extension now offers a choice betwene pasting the

original or a sanitized version, and also frees up memory used to

store the paste text immediately.

- fix compiling without frills.

- fix rewrapMode: never.

- fix regression that caused urxvt to no longer emit responses to OSC

color queries other than OSC 4 ones.

- fix regression that caused urxvt to no longer process OSC 705.

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