The following security vulnerabilities were fixed:
- CVE-2017-18248: Handle invalid characters properly in printing jobs. This fixes a problem that was causing the DBUS library to abort the calling process. (bsc#1061066 bsc#1087018) - Fixed a local privilege escalation to root and sandbox bypasses in the scheduler - CVE-2018-4180: Fixed a local privilege escalation to root in dnssd backend (bsc#1096405) - CVE-2018-4181: Limited local file reads as root via cupsd.conf include directive (bsc#1096406) - CVE-2018-4182: Fixed a sandbox bypass due to insecure error handling (bsc#1096407) - CVE-2018-4183: Fixed a sandbox bypass due to profile misconfiguration (bsc#1096408)
The following other issue was fixed:
- Fixed authorization check for clients (like samba) connected through the local socket when Kerberos authentication is enabled (bsc#1050082)