CVE-2026-41254: Littlecms Little CMS

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.

Affected products

• Littlecms Little CMS: up to and including 2.18

Published 2026-04-18. Last modified 2026-06-17.