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

CVE-2026-41254

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

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

MEDIUM · CVSS 4 EPSS 0.00045
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-696Incorrect Behavior Order
▤

Affected Products & Versions

1
littlecms little cms<= 2.18
⚠

Public Exploits & PoCs

1
pocabhinavagarwal07.github.io · lcms2-cubesize-overflowabhinavagarwal07.github.io
▣

Scoring & Timeline

4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Apr 2026 · 07:16 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
usnUSN-8209-2
msrcCVE-2026-41254
usnUSN-8209-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0Patch
https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bcPatch
https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qqBroken Link
https://www.openwall.com/lists/oss-security/2026/04/17/16Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html
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