This issue is marked as affecting 5.42+dfsg1-1 in buster (and even stretch) in our CVE tracker, however the set_cap action was first added in 5.44+dfsg1-1.
https://security-tracker.debian.org/tracker/CVE-2021-31523 Tormod
- Bug#987149: xscreensaver: allows starting external pr... Salvatore Bonaccorso
- Bug#987149: xscreensaver: allows starting extern... Tormod Volden
- Bug#987149: xscreensaver: allows starting ex... Andrej Shadura
- Bug#987149: xscreensaver: allows startin... Salvatore Bonaccorso
- Bug#987149: xscreensaver: allows sta... Tormod Volden
- Bug#987149: xscreensaver: allow... Salvatore Bonaccorso
