Integer overflow in Littlecms Little_cms

CVE-2026-41254

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

EPSS: 0.000 (14.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Littlecms Little_cms
Littlecms Little Cms Color Engine — versions 0

Weakness classification (CWE)

References

cve@mitre.org (Patch)
cve@mitre.org (Patch)
cve@mitre.org (Mailing List, Third Party Advisory)
cve@mitre.org (Broken Link)
cve@mitre.org (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-41254?: CVE-2026-41254 is a medium-severity vulnerability in Littlecms Little_cms, classified under CWE-696. CVSS score: 4.0/10. Published 2026-04-18.
How severe is CVE-2026-41254?: Medium severity. CVSS v3 base score is 4.0 out of 10.