The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5768-1 advisory.

    Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly     handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to     hang or crash, resulting in a denial of service.

    (CVE-2016-10228, CVE-2019-25013, CVE-2020-27618)

    It was discovered that the GNU C Library did not properly handled DNS responses when ENDS0 is enabled. An     attacker could possibly use this issue to cause fragmentation-based attacks. (CVE-2017-12132)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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Ubuntu 16.04 ESM : GNU C Library vulnerabilities (USN-5768-1)

medium Nessus Plugin ID 168533

Version 1.5