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Vulnerability record · CVE-2026-41254 · published 18 April 2026

CVE-2026-41254: Littlecms little cms integer overflow vulnerability

Littlecms · Little Cms

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

7.5 CVSS 3.1 High EPSS 0.44% · top 64.1% CWE-696 · CWE-696CWE-190 · Integer overflow
7.5CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/ ExploitThird Party Advisory
https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0 Patch
https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc Patch
https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq Broken Link
https://www.openwall.com/lists/oss-security/2026/04/17/16 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2009-0723Gimp integer overflow vulnerabilityMultiple integer overflows in LittleCMS (aka lcms or liblcms) before 1.18beta2, as used in Firefox 3.1beta, OpenJDK, and GIMP, allow context-dependen…EPSS 5.0%9.3CVE-2009-0733Gimp out-of-bounds write vulnerabilityMultiple stack-based buffer overflows in the ReadSetOfCurves function in LittleCMS (aka lcms or liblcms) before 1.18beta2, as used in Firefox 3.1beta…EPSS 5.5%7.8CVE-2018-11555Littlecms little cms out-of-bounds write vulnerabilitytificc in Little CMS 2.9 has an out-of-bounds write in the PrecalculatedXFORM function in cmsxform.c in liblcms2.a via a crafted TIFF file. NOTE: Lit…EPSS 1.1%7.8CVE-2018-11556Littlecms little cms out-of-bounds write vulnerabilitytificc in Little CMS 2.9 has an out-of-bounds write in the cmsPipelineCheckAndRetreiveStages function in cmslut.c in liblcms2.a via a crafted TIFF fi…EPSS 1.1%4.3CVE-2009-0581Littlecms little cms memory leak vulnerabilityMemory leak in LittleCMS (aka lcms or liblcms) before 1.18beta2, as used in Firefox 3.1beta, OpenJDK, and GIMP, allows context-dependent attackers to…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2026-41254), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.