Vulnerability 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 Score
4.0
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Littlecms | Little Cms | <= 2.18 |
Related Weaknesses (CWE)
References
- https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/ExploitThird Party Advisory
- https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7abPatch
- https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bPatch
- https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qqBroken Link
- https://www.openwall.com/lists/oss-security/2026/04/17/16Mailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html
FAQ
What is CVE-2026-41254?
CVE-2026-41254 is a vulnerability with a CVSS score of 4.0 (MEDIUM). Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.
How severe is CVE-2026-41254?
CVE-2026-41254 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-41254?
Check the references section above for vendor advisories and patch information. Affected products include: Littlecms Little Cms.