Ubuntu security

USN-4503-1: Perl DBI module vulnerability It was discovered that Perl DBI module incorrectly handled certain calls. An attacker could possibly use this issue to execute arbitrary code. Source: USN-4503-1: Perl DBI module vulnerability

USN-4501-1: LuaJIT vulnerability It was discovered that an out-of-bounds read existed in LuaJIT. An attacker could use this to cause a denial of service (application crash) or possibly expose sensitive information. (CVE-2020-15890) Source: USN-4501-1: LuaJIT vulnerability

USN-4500-1: bsdiff vulnerabilities It was discovered that bsdiff mishandled certain input. If a user were tricked into opening a malicious file, an attacker could cause bsdiff to crash or potentially execute arbitrary code. Source: USN-4500-1: bsdiff vulnerabilities

USN-4498-1: Loofah vulnerability It was discovered that Loofah does not properly sanitize JavaScript in sanitized output. An attacker could possibly use this issue to perform XSS attacks. (CVE-2019-15587) Source: USN-4498-1: Loofah vulnerability

USN-4499-1: MilkyTracker vulnerabilities It was discovered that MilkyTracker did not properly handle certain input. If a user were tricked into opening a malicious file, an attacker could cause MilkyTracker to crash or potentially execute arbitrary code. Source: USN-4499-1: MilkyTracker vulnerabilities