Package: clamav-unofficial-sigs Version: 3.7.2-2 Followup-For: Bug #783228 Debian Buster still has this bug. I think the best solution would be to update the package from upstream sources. Upstream it has been fixed.
-- System Information: Debian Release: 10.2 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable'), (150, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.19.0-6-amd64 (SMP w/1 CPU core) Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages clamav-unofficial-sigs depends on: ii bind9-host [host] 1:9.11.5.P4+dfsg-5.1 ii clamav 0.101.4+dfsg-0+deb10u1 ii curl 7.64.0-4 ii dnsutils 1:9.11.5.P4+dfsg-5.1 ii gnupg 2.2.12-1+deb10u1 ii rsync 3.1.3-6 clamav-unofficial-sigs recommends no packages. Versions of packages clamav-unofficial-sigs suggests: ii clamav-daemon 0.101.4+dfsg-0+deb10u1 -- no debconf information