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

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Littlecms
  • Little Cms
  • Little Cms Color Engine

Configuration 1 [-]

cpe:2.3:a:littlecms:little_cms:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://www.spirityenterprise.com/pentest spirity
https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/ cve-icon cve-icon cve-icon
https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0 cve-icon cve-icon cve-icon
https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc cve-icon cve-icon cve-icon
https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-41254 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-41254 cve-icon
https://www.openwall.com/lists/oss-security/2026/04/17/16 cve-icon cve-icon cve-icon
History

Wed, 22 Apr 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Littlecms little Cms
CPEs cpe:2.3:a:littlecms:little_cms:*:*:*:*:*:*:*:*
Vendors & Products Littlecms little Cms

Mon, 20 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 20 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
Title Little CMS: lcms2: mm2/Little-CMS: Little CMS: Information disclosure or denial of service via integer overflow in CubeSize
Weaknesses CWE-190
References
Metrics threat_severity

None

 threat_severity

Moderate

Sat, 18 Apr 2026 07:00:00 +0000

Type Values Removed Values Added
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.
First Time appeared Littlecms
Littlecms little Cms Color Engine
Weaknesses CWE-696
CPEs cpe:2.3:a:littlecms:little_cms_color_engine:*:*:*:*:*:*:*:*
Vendors & Products Littlecms
Littlecms little Cms Color Engine
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L'}
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-20T16:09:45.530Z

Reserved: 2026-04-18T06:43:13.323Z

Link: CVE-2026-41254

cve-icon Vulnrichment

Updated: 2026-04-20T16:09:38.207Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-18T07:16:10.807

Modified: 2026-04-22T18:34:23.330

Link: CVE-2026-41254

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-04-18T06:43:13Z

Links: CVE-2026-41254 - Bugzilla