USN-3478-2: Perl vulnerability

13 November 2017

perl vulnerability

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

  • Ubuntu 12.04 ESM


Perl could be made to crash if it received specially crafted input.

Software Description

  • perl - 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. (CVE-2017-12883)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 ESM
perl - 5.14.2-6ubuntu2.6

To update your system, please follow these instructions:

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