[pkg-netfilter-team] Bug#968457: iptables: segfault with specific command when run as non-root

[kitten_nb_five at mail.fr]

Package: iptables
Version: 1.8.2-4
Severity: normal   When run without superuser-privileges the following command makes iptables
crash with a segfault: 
>iptables -I OUTPUT   When run as root the command does not crash.   The command might be incomplete or even invalid, but iptables should never
crash with a segfault, instead it should - if needed - report an error or fail
silently.   -- System Information:
Debian Release: 10.5
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)   Kernel: Linux 4.19.0-10-amd64 (SMP w/12 CPU cores)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)   Versions of packages iptables depends on:
ii libc6 2.28-10
ii libip4tc0 1.8.2-4
ii libip6tc0 1.8.2-4
ii libiptc0 1.8.2-4
ii libmnl0 1.0.4-2
ii libnetfilter-conntrack3 1.0.7-1
ii libnfnetlink0 1.0.1-3+b1
ii libnftnl11 1.1.2-2
ii libxtables12 1.8.2-4   Versions of packages iptables recommends:
pn nftables    Versions of packages iptables suggests:
ii kmod 26-1   -- no debconf information  

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