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TI-2026-31018 Aliases CVE-2026-42798GHSA-4m94-357r-hwph

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

Priority LOW 18CWE-190Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00128 2nd percentileScored 2026-11-07
Fix Fixed little cms color engine (littlecms): 2.19

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
littlecmslittle cms color engine2.16 to before 2.192.19Patch availableCNA
  • little cms color engine Vendorlittlecms Affected 2.16 to before 2.19 Fixed in 2.19 Patch available CNA

Remediation

  • Fix · CNA little cms color engine (littlecms) Fixed in 2.19

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42798
  2. 2026-10-03 Alias added: GHSA-4m94-357r-hwph

References

Other 3

  • TI-2013-06107 Double free vulnerability in the DefaultICCintents function in cmscnvrt.c in liblcms2 in… CVSS 3.0CRITICAL 9.8
  • TI-2007-02652 Stack-based buffer overflow in Little CMS (lcms) before 1.15 allows remote attackers to… CVSS 2.0HIGH 9.3
  • TI-2009-00698 Multiple stack-based buffer overflows in the ReadSetOfCurves function in LittleCMS (aka… CVSS 2.0HIGH 9.3
  • TI-2009-00690 Multiple integer overflows in LittleCMS (aka lcms or liblcms) before 1.18beta2, as used… CVSS 2.0HIGH 9.3
  • TI-2008-05061 Buffer overflow in the ReadEmbeddedTextTag function in src/cmsio1.c in Little cms color… CVSS 2.0HIGH 10.0
  • TI-2008-05062 Integer signedness error in the cmsAllocGamma function in src/cmsgamma.c in Little cms… CVSS 2.0HIGH 10.0
See all 15 →

Sources

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