It seems it's the *fix* for the CVE that's crashing in version 2:21.1.4-2ubuntu1.7~22.04.9 rather than the CVE itself.
https://launchpad.net/ubuntu/+source/xorg- server/2:21.1.4-2ubuntu1.7~22.04.9 ** Also affects: xorg-server (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: xorg-server (Ubuntu Noble) Importance: High Status: Confirmed ** Also affects: xorg-server (Ubuntu Jammy) Importance: Undecided Status: New ** Tags removed: fixed-in-xorg-21.1.12 fixed-upstream mantic noble ** Tags added: regression-update ** No longer affects: xorg-server (Ubuntu Mantic) ** No longer affects: xorg-server (Ubuntu Noble) ** No longer affects: xorg-server (Ubuntu Jammy) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/2060354 Title: Segfaults and assertion failures in Xorg's render/glyph.c To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2060354/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp