Ubuntu Security Notice USN-3478-2
13th November, 2017
A security issue affects these releases of Ubuntu and its
- Ubuntu 12.04 LTS
Perl could be made to crash if it received specially crafted
– Practical Extraction and Report Language
USN-3478-1 fixed two vulnerabilities in Perl. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Jakub Wilk discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following
To update your system, please follow these instructions:
In general, a standard system update will make all the necessary changes.