Vulnerability Report

CVE-2026-41254

Title: Integer overflow in Little CMS lcms2

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2026-41254.

CWE Category CWE-696
Published Date Apr 18, 2026
Modified Date May 07, 2026
Exploit Status Not Found
Score 4.0 CVSS v3.1
Exploit Probability (EPSS)
0.04%

Vulnerability Summary

CVE-2026-41254: Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.

Impacted Vendors

L
littlecms 1
L
little_cms 1

Reference Links

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
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-41254 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Affected Stack

No specific products linked.