CVE-2010-1158: Perl

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

Integer overflow in the regular expression engine in Perl 5.8.x allows context-dependent attackers to cause a denial of service (stack consumption and application crash) by matching a crafted regular expression against a long string.

Affected products

• Perl Perl: version 5.8.1 only; 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; …

Published 2010-04-20. Last modified 2026-06-16.