ELA-132-2 bzip2 regression update

upstream regression

Related CVEs CVE-2019-12900

The original fix for CVE-2019-12900 introduces regressions when extracting certain lbzip2 files which were created with a buggy libzip2: https://bugs.debian.org/931278

We recommend that you upgrade your bzip2 packages.

Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/