djvulibre vulnerabilities

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

* Ubuntu 19.10
* Ubuntu 19.04
* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS

Summary

Several security issues were fixed in DjVuLibre.

Software Description

* djvulibre - DjVu image format library and tools

Details

It was discovered that DjVuLibre incorrectly handled certain
memory operations. If a user or automated system were tricked into
processing a specially crafted DjVu file, a remote attacker could
cause applications to hang or crash, resulting in 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 19.10
libdjvulibre21 - 3.5.27.1-13ubuntu0.1

Ubuntu 19.04
libdjvulibre21 - 3.5.27.1-10ubuntu0.1

Ubuntu 18.04 LTS
libdjvulibre21 - 3.5.27.1-8ubuntu0.1

Ubuntu 16.04 LTS
libdjvulibre21 - 3.5.27.1-5ubuntu0.1

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

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

References

* CVE-2019-15142
* CVE-2019-15143
* CVE-2019-15144
* CVE-2019-15145
* CVE-2019-18804

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