On 2020-09-17 05:42, Debian Bug Tracking System wrote:
This is an automatic notification regarding your Bug report
which was filed against the dpkg package:
#970451: /usr/bin/dpkg-deb: error: maintainer script 'postrm' has bad
permissions 644 (must be >=0555 and <=0775)
It has been closed by Guillem Jover <guil...@debian.org>.
Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Guillem Jover
<guil...@debian.org> by
replying to this email.
This is a bug. The orignial script ran for years using 644.
Changing security to 775 lets everything continue through.