obs-build vulnerabilities (Ubuntu)

2 vulnerabilities.

• obs-build Ubuntu unauthorized read access to files where sourceaccess is disabled via a crafted _service file in Open Build Service CVE-2020-8021 Fix available 5.3 MediumMay 19, 2020
• obs-build Ubuntu package builds could use directory traversal to write outside of target area CVE-2017-14804 Fix available 9.9 CriticalDecember 8, 2017