Ubuntu Security Notice USN-3478-1
13th November, 2017
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Perl could be made to crash if it received specially crafted input.
- perl - Practical Extraction and Report Language
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 package version:
- Ubuntu 17.04:
- perl 5.24.1-2ubuntu1.1
- Ubuntu 16.04 LTS:
- perl 5.22.1-9ubuntu0.2
- Ubuntu 14.04 LTS:
- perl 5.18.2-2ubuntu1.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.