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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
littlecms little cms color engine
Default version status: unknown
0 to ≤ 2.18affected
References
- https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0 ↗
- https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc ↗
- https://www.openwall.com/lists/oss-security/2026/04/17/16 ↗
- https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq ↗
- https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/ ↗
- https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html ↗