==========================================================================
Ubuntu Security Notice USN-5171-1
December 06, 2021

lrzip vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Long Range ZIP.

Software Description:
- lrzip: compression program with a very high compression ratio

Details:

It was discovered that Long Range ZIP incorrectly handled certain
specially crafted lrz files. A remote attacker could possibly use this
issue to cause a denial of service (crash) or other unspecified impact.

Update instructions:

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

Ubuntu 18.04 LTS:
  lrzip                           0.631-1+deb9u1build0.18.04.1

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

References:
  https://ubuntu.com/security/notices/USN-5171-1
  CVE-2017-8844, CVE-2017-8846, CVE-2017-9928, CVE-2017-9929,
  CVE-2018-10685, CVE-2018-11496, CVE-2018-5650, CVE-2018-5747,
  CVE-2018-5786

Package Information:
  https://launchpad.net/ubuntu/+source/lrzip/0.631-1+deb9u1build0.18.04.1