What’s Vulnerable › Vulnerabilities

CVE-2026-42798

• Severity: medium (CVSS 4.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-30 · updated 2026-10-26
• Weakness: CWE-190

Description

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

Affected products

• littlecms little cms color engine: from 2.16 before 2.19 — fixed in 2.19

How to fix

Upgrade to a fixed version: littlecms little cms color engine 2.19. Check the vendor advisory for mitigations.

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

Get alerted when CVE-2026-42798 or the next vulnerability affects your stack