Debian Security Advisory

DLA-768-1 pgpdump -- LTS security update

Date Reported:
30 Dec 2016
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 773747.
In Mitre's CVE dictionary: CVE-2016-4021.
More information:

The read_binary function in buffer.c in pgpdump, a PGP packet visualizer, allows context-dependent attackers to cause a denial of service (infinite loop and CPU consumption) via crafted input. This was assigned CVE-2016-4021.

Also, the read_radix64 function the might read data from beyond the end of a buffer from crafted input.

For Debian 7 Wheezy, these problems have been fixed in version 0.27-1+deb7u1.

For Debian 8 Jessie, these problems will be fixed in version 0.28-1+deb8u1, part of the upcoming point release

For Debian 9 Stretch and Sid, these problems have been fixed in version 0.31-0.1

We recommend that you upgrade your pgpdump packages.

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