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CVE-2026-41254

Quick assessment

Affected
littlecms little cms color engine
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Little CMS（lcms或liblcms）是Marti Maria个人开发者的一套开源的色彩管理系统。该系统提供黑点补偿、多种像素格式处理、配置文件编辑等功能。 Little CMS 2.18及之前版本存在安全漏洞，该漏洞源于cmslut.c中CubeSize存在整数溢出，因为溢出检查在乘法之后执行。

CVSS 4.0 · Medium EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
littlecms little cms color engine ≤ 2.18 affected
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I. Basic Information for CVE-2026-41254

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不正确的行为次序
Source: CVE Program / CVE List V5
Vulnerability Title
Little CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Little CMS（lcms或liblcms）是Marti Maria个人开发者的一套开源的色彩管理系统。该系统提供黑点补偿、多种像素格式处理、配置文件编辑等功能。 Little CMS 2.18及之前版本存在安全漏洞，该漏洞源于cmslut.c中CubeSize存在整数溢出，因为溢出检查在乘法之后执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
littlecms little cms color engine 0 ~ 2.18 -

II. Public POCs for CVE-2026-41254

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III. Intelligence Information for CVE-2026-41254

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Mailing List Discussions for CVE-2026-41254 (1)

Security Blog Posts for CVE-2026-41254 (1)

IV. Related Vulnerabilities

Same product: little cms color engine
Same vendor: littlecms
Same weakness: CWE-696

V. Comments for CVE-2026-41254

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