CVE-2026-41254

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

18/04/2026

Last modified:

18/04/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): Low

Base Score 3.x

4.00

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

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