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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-26)

CWEs

CWE-190, CWE-696

Published

2026-04-18

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• littlecms:little_cms

References

• https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/
• https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0
• https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc
• https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq
• https://www.openwall.com/lists/oss-security/2026/04/17/16

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