USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due to an incomplete patch for CVE-2018-1000074. This update reverts the problematic patch pending further investigation.
We apologize for the inconvenience.
Original advisory details:
It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to access sensitive information. (CVE-2018-1000073)
It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000074)
It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. (CVE-2018-1000075)
It was discovered that Ruby incorrectly handled certain crypto signatures. An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000076)
It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code. (CVE-2018-1000077, CVE-2018-1000078, CVE-2018-1000079)
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