The remote openSUSE host is missing a security update.
The Software Update Stack was updated to receive fixes and enhancements. libzypp : - Adapt to work with GnuPG 2.1.23. (bsc#1054088) - Support signing with subkeys. (bsc#1008325) - Enhance sort order for media.1/products. (bsc#1054671) zypper : - Also show a gpg key's subkeys. (bsc#1008325) - Improve signature check callback messages. (bsc#1045735) - Add options to tune the GPG check settings. (bsc#1045735) - Adapt download callback to report and handle unsigned packages. (bsc#1038984, CVE-2017-7436) - Report missing/optional files as 'not found' rather than 'error'. (bsc#1047785) This update was imported from the SUSE:SLE-12-SP3:Update update project.