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Ubuntu has issued USN-8496-2 to revert a prior cifs-utils security update after it introduced a regression affecting Kerberos mounts. Organizations using SMB/CIFS shares with Kerberos should review impacted systems and monitor for the complete fix.
Ubuntu has released USN-8487-1 to address multiple curl vulnerabilities that could expose credentials, weaken connection security, enable denial of service, or in some cases possibly allow code execution on affected systems.
Ubuntu has released USN-8349-3 to fix regressions introduced by an earlier rsync security update. The notice also points administrators back to the underlying rsync flaws that can affect availability, access controls, and sensitive data exposure.
Ubuntu has published USN-8405-1 for multiple CUPS vulnerabilities that may lead to unauthorized access, file overwrite, denial of service, information disclosure, or possible arbitrary code execution depending on system configuration and exposure.
