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==========================================================================
Ubuntu Security Notice USN-4293-1
March 02, 2020

libarchive vulnerabilities
==========================================================================

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

- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libarchive.

Software Description:
- libarchive: Library to read/write archive files

Details:

It was discovered that libarchive incorrectly handled certain archive files.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-19221)

It was discovered that libarchive incorrectly handled certain archive files.
An attacker could possibly use this issue to cause a crash resulting in a
 denial
of service or possibly unspecified other impact. This issue only affected
 Ubuntu 19.10.
(CVE-2020-9308)

Update instructions:

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

Ubuntu 19.10:
  libarchive13                    3.4.0-1ubuntu0.1

Ubuntu 18.04 LTS:
  libarchive13                    3.2.2-3.1ubuntu0.6

Ubuntu 16.04 LTS:
  libarchive13                    3.1.2-11ubuntu0.16.04.8

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

References:
  https://usn.ubuntu.com/4293-1
  CVE-2019-19221, CVE-2020-9308

Package Information:
  https://launchpad.net/ubuntu/+source/libarchive/3.4.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libarchive/3.2.2-3.1ubuntu0.6
  https://launchpad.net/ubuntu/+source/libarchive/3.1.2-11ubuntu0.16.04.8

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