Integer Overflow or Wraparound Affecting lcms2 package, versions <2.19.1-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LCMS2-16345334
  • published2 May 2026
  • disclosed30 Apr 2026

Introduced: 30 Apr 2026

CVE-2026-42798  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Debian:unstable lcms2 to version 2.19.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lcms2 package and not the lcms2 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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

CVSS Base Scores

version 3.1