CVE-2013-1667: Perl

High severity, CVSS 7.5. EPSS: 3.6% chance of exploitation in the next 30 days.

The rehash mechanism in Perl 5.8.2 through 5.16.x allows context-dependent attackers to cause a denial of service (memory consumption and crash) via a crafted hash key.

Affected products

• Perl Perl: version 5.8.2 only; version 5.8.3 only; version 5.8.4 only; version 5.8.5 only; version 5.8.6 only; version 5.8.7 only; …

Published 2013-03-14. Last modified 2026-06-16.