It was discovered that exo, a support library for the Xfce desktop environment, would allow executing remote .desktop files. In some scenario, an attacker could use this vulnerability to trick an user an execute arbitrary code on the platform with the privileges of that user.
For the oldstable distribution (buster), this problem has been fixed
in version 0.12.4-1+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in