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Ubuntu Security Notice USN-4644-1

Ubuntu Security Notice USN-4644-1
Posted Nov 25, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4644-1 - It was discovered that igraph mishandled certain malformed XML. An attacker could use this vulnerability to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2018-20349
MD5 | a0fa8d720ad6105276d63d5678047877

Ubuntu Security Notice USN-4644-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4644-1
November 24, 2020

igraph vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

igraph could be made to crash if it opened a specially crafted file.

Software Description:
- igraph: None

Details:

It was discovered that igraph mishandled certain malformed XML. An attacker
could use this vulnerability to cause a denial of service (crash).

Update instructions:

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

Ubuntu 18.04 LTS:
libigraph0v5 0.7.1-2.1+deb9u1build0.18.04.1

Ubuntu 16.04 LTS:
libigraph0v5 0.7.1-2.1+deb9u1build0.16.04.1

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

References:
https://usn.ubuntu.com/4644-1
CVE-2018-20349

Package Information:
https://launchpad.net/ubuntu/+source/igraph/0.7.1-2.1+deb9u1build0.18.04.1
https://launchpad.net/ubuntu/+source/igraph/0.7.1-2.1+deb9u1build0.16.04.1
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