Debian Security Advisory

DLA-2395-1 libvirt -- LTS security update

Date Reported:
02 Oct 2020
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 971555.
In Mitre's CVE dictionary: CVE-2020-25637.
More information:

A double free vulnerability was discovered in libvirt, a toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes).

For Debian 9 stretch, this problem has been fixed in version 3.0.0-4+deb9u5.

We recommend that you upgrade your libvirt packages.

For the detailed security status of libvirt please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: