CVE-2026-42798

Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.

CVSS 3.1

4.0CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS

0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-26)

CWE

CWE-190

Published

2026-04-30

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/mm2/Little-CMS/commit/6a686019825a89b715d16671f18d049523354176
• https://github.com/mm2/Little-CMS/compare/lcms2.18...lcms2.19
• https://www.openwall.com/lists/oss-security/2026/04/30/8

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