debian/sympa.postinst for the Debian Sympa package before 6.2.40~dfsg-7 uses mode 4755 for sympa_newaliases-wrapper, whereas the intended permissions are mode 4750 (for access by the sympa group)
{ "binaries": [ { "binary_name": "sympa", "binary_version": "6.1.24~dfsg-1ubuntu0.1~esm1" } ] }
{ "binaries": [ { "binary_name": "sympa", "binary_version": "6.2.24~dfsg-1ubuntu0.1~esm1" } ] }
{ "binaries": [ { "binary_name": "sympa", "binary_version": "6.2.40~dfsg-4ubuntu0.20.04.1~esm1" } ] }
{ "binaries": [ { "binary_name": "sympa", "binary_version": "6.2.66~dfsg-2" } ] }