USN-2307-1: GPGME vulnerability

6 August 2014

gpgme1.0 vulnerability

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS


GPGME could be made to crash or run programs as your login if it processed a specially crafted certificate.

Software Description

  • gpgme1.0 - GPGME - GnuPG Made Easy (library)


Tomáš Trnka discovered that GPGME incorrectly handled certain certificate line lengths. An attacker could use this issue to cause applications using GPGME to 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 14.04 LTS
libgpgme11 - 1.4.3-0.1ubuntu5.1
Ubuntu 12.04 LTS
libgpgme11 - 1.2.0-1.4ubuntu2.1
Ubuntu 10.04 LTS
libgpgme11 - 1.2.0-1.2ubuntu1.1

To update your system, please follow these instructions:

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