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CVE-2026-41254
Description
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 Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:LReferences
- 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