Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.4%
CVSS Severity
CVSS v3 Score 4.0
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