CVE-2026-41254
HIGH
7.5
CVSS Score
Published: April 18, 2026 at 06:43 AM UTC
Updated: June 17, 2026 at 10:46 AM UTC
2 products affected across 1 vendorLittle CMS Color EngineLittle CMS
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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known 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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 2.18
v ≤ 2.18
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Patch
Source: cverecord
https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0Patch
Source: cverecord
https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bcMailing ListThird Party Advisory
Source: cverecord
https://www.openwall.com/lists/oss-security/2026/04/17/16Broken Link
Source: cverecord
https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qqExploitThird Party Advisory
Source: cverecord
https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2026/05/msg00014.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-696CWE-190
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