VulnerabilityModified
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.
HIGH 7.5EPSS 0.36%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.36% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-696, CWE-190
- Affected
- littlecms/little cms
- Source
- cve@mitre.org
References
- https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/Exploit, Third Party Advisory
- https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0Patch
- https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bcPatch
- https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qqBroken Link
- https://www.openwall.com/lists/oss-security/2026/04/17/16Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.