USN-4326-1: libiberty vulnerabilities

8 April 2020

libiberty vulnerabilities

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

  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


Several security issues were fixed in libiberty.

Software Description

  • libiberty - library of utility functions used by GNU programs


It was discovered that libiberty incorrectly handled parsing certain binaries. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause libiberty 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 18.04 LTS
libiberty-dev - 20170913-1ubuntu0.1
Ubuntu 16.04 LTS
libiberty-dev - 20160215-1ubuntu0.3

To update your system, please follow these instructions:

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