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)
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 ESM: perl=C2=A05.14.2-6ubuntu2.6
In general, a standard system update will make all the necessary changes.