CVE-2026-41254

low-risk
Published 2026-04-18

Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10 Medium
LOCAL / HIGH complexity

Affected Products (1)

Little Cms

Affected Vendors

Littlecms

References (5)

Exploit https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/
Patch https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab...
Patch https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4b...
Broken Link https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq
Mailing List https://www.openwall.com/lists/oss-security/2026/04/17/16
15
/ 100
low-risk
Severity 10/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal