使用 CLI 升级 VPS 软件时出现以下错误：
$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
Get more security updates through Ubuntu Pro with 'esm-apps' enabled:
libmagickwand-6.q16-6 libmagickcore-6.q16-6 imagemagick-6-common
Learn more about Ubuntu Pro at https://ubuntu.com/pro
#
# An OpenSSL vulnerability has recently been fixed with USN-6188-1 & 6119-1:
# CVE-2023-2650: possible DoS translating ASN.1 object identifiers.
# Ensure you have updated the package to its latest version.
#
The following packages have been kept back:
distro-info libgpgme11 python3-distro-info python3-distupgrade
ubuntu-release-upgrader-core
0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.