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The Software Update Stack was updated to receive fixes and enhancements. libzypp : Security issues fixed : - CVE-2017-7435, CVE-2017-7436, CVE-2017-9269: Fix GPG check workflows, mainly for unsigned repositories and packages. (bsc#1045735, bsc#1038984) Bug fixes : - Re-probe on refresh if the repository type changes. (bsc#1048315) - Propagate proper error code to DownloadProgressReport. (bsc#1047785) - Allow to trigger an appdata refresh unconditionally. (bsc#1009745) - Support custom repo variables defined in /etc/zypp/vars.d. - Adapt loop mounting of ISO images. (bsc#1038132, bsc#1033236) - Fix potential crash if repository has no baseurl. (bsc#1043218) zypper : - Adapt download callback to report and handle unsigned packages. (bsc#1038984) - Report missing/optional files as 'not found' rather than 'error'. (bsc#1047785) - Document support for custom repository variables defined in /etc/zypp/vars.d. - Emphasize that it depends on how fast PackageKit will respond to a 'quit' request sent if PK blocks package management. This update was imported from the SUSE:SLE-12-SP2:Update update project.