Debian pari/gp 2.x Arbitrary File Overwrite Vulnerability

pari/gp versions 2.9.1 on Debian Stretch and 2.11 on Debian Buster allow arbitrary file write and hence arbitrary code execution. pari/gp on debian stable allow arbitrary file write pari/gp is CAS computer algebra system. pari/gp version 2.9.1 on debian stretch and 2.11 on debian buster allow...