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USN-5257-1: ldns vulnerabilities

31 January 2022

ldns could be made to expose sensitive information if it received a specially crafted input.

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Releases

Packages

  • ldns - ldns library for DNS programming

Details

It was discovered that ldns incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2020-19860, CVE-2020-19861)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-5257-2: libldns2, python3-ldns, ldns, python-ldns, libldns3, ldnsutils, libldns-dev