Bug#1021973: iconv: undefined symbol after upgrade

[Guillaume Lefranc <gl@productsup.com>]

Package: libc-bin
Version: 2.28-10+deb10u2
Severity: normal

Dear Maintainer,

after upgrading libc-bin from 2.28-10+deb10u1 to 2.28-10+deb10u2, the following error appeared after running iconv the following way:

iconv -cs -f 'UTF-8' -t 'UTF-8' /tmp/510754/import/import.1

iconv: relocation error: iconv: symbol __gconv_create_spec version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference

-- System Information:
Debian Release: 10.2
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-6-amd64 (SMP w/12 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libc-bin depends on:
ii  libc6  2.28-10

Versions of packages libc-bin recommends:
ii  manpages  4.16-2

libc-bin suggests no packages.

-- no debconf information