Debian Security Advisory

DLA-2445-1 libmaxminddb -- LTS security update

Date Reported:
10 Nov 2020
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 973878.
In Mitre's CVE dictionary: CVE-2020-28241.
More information:

A heap-based buffer over-read has been found in libmaxminddb, an IP geolocation database library. This could be exploited when the mmdblookup tool is used to open a specially crafted database file.

For Debian 9 stretch, this problem has been fixed in version 1.2.0-1+deb9u1.

We recommend that you upgrade your libmaxminddb packages.

For the detailed security status of libmaxminddb 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: