=========================================================================Ubuntu Security Notice USN-3911-1
March 18, 2019

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in file.

Software Description:
- file: Tool to determine file types

Details:

It was discovered that file incorrectly handled certain malformed ELF
files. An attacker could use this issue to cause a denial of service, or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
  file                            1:5.34-2ubuntu0.1
  libmagic1                       1:5.34-2ubuntu0.1

Ubuntu 18.04 LTS:
  file                            1:5.32-2ubuntu0.2
  libmagic1                       1:5.32-2ubuntu0.2

Ubuntu 16.04 LTS:
  file                            1:5.25-2ubuntu1.2
  libmagic1                       1:5.25-2ubuntu1.2

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

References:
  https://ubuntu.com/security/notices/USN-3911-1
  CVE-2019-8904, CVE-2019-8905, CVE-2019-8906, CVE-2019-8907

Package Information:
  https://launchpad.net/ubuntu/+source/file/1:5.34-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/file/1:5.32-2ubuntu0.2
  https://launchpad.net/ubuntu/+source/file/1:5.25-2ubuntu1.2