[USN-3916-1] libsolv vulnerabilities

[Mike Salvatore]

==========================================================================
Ubuntu Security Notice USN-3916-1
March 22, 2019

libsolv vulnerabilities
==========================================================================

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

- Ubuntu 18.10

Summary:

Libzip could be made to crash if it received specially crafted input.

Software Description:
- libsolv: A dependency solver using a satisfiablility algorithm

Details:

It was discovered that libsolv incorrectly handled certain malformed input. If a
user or automated system were tricked into opening a specially crafted file, 
applications that rely on libsolv could be made to crash, resulting in a denial
of service.

Update instructions:

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

Ubuntu 18.10:
  libsolv-tools                   0.6.35-2ubuntu0.18.10.1
  libsolv0                        0.6.35-2ubuntu0.18.10.1
  libsolvext0                     0.6.35-2ubuntu0.18.10.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3916-1
  CVE-2018-20532, CVE-2018-20533, CVE-2018-20534

Package Information:
  https://launchpad.net/ubuntu/+source/libsolv/0.6.35-2ubuntu0.18.10.1

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