Vaisha Bernard discovered that Blueman, a graphical bluetooth manager performed insufficient validation on a D-Bus interface, which could result in denial of service or privilege escalation.
For the stable distribution (buster), this problem has been fixed in version 2.0.8-1+deb10u1.
We recommend that you upgrade your blueman packages.
For the detailed security status of blueman please refer to its security tracker page at: \ https://security-tracker.debian.org/tracker/blueman