exiv2 vulnerability

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

* Ubuntu 19.10
* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS

Summary

Exiv2 could be made to crash if it opened a specially crafted
image.

Software Description

* exiv2 - EXIF/IPTC/XMP metadata manipulation tool

Details

It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to cause a denial of
service.

Update instructions

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

Ubuntu 19.10
exiv2 - 0.25-4ubuntu2.2
libexiv2-14 - 0.25-4ubuntu2.2

Ubuntu 18.04 LTS
exiv2 - 0.25-3.1ubuntu0.18.04.5
libexiv2-14 - 0.25-3.1ubuntu0.18.04.5

Ubuntu 16.04 LTS
exiv2 - 0.25-2.1ubuntu16.04.6
libexiv2-14 - 0.25-2.1ubuntu16.04.6

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2019-20421

--- Mystic BBS v1.12 A43 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)