TI-2018-08264 Aliases CVE-2018-11555 GHSA-4xq7-f7cv-mrfw

tificc in Little CMS 2.9 has an out-of-bounds write in the PrecalculatedXFORM function in…

LOW 36CWE-787Published 2018-05-30 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

tificc in Little CMS 2.9 has an out-of-bounds write in the PrecalculatedXFORM function in cmsxform.c in liblcms2.a via a crafted TIFF file. NOTE: Little CMS developers do consider this a vulnerability because the issue is based on an sample program using LIBTIFF and do not apply to the lcms2 library, lcms2 does not depends on LIBTIFF other than to build sample programs, and the issue cannot be reproduced on the lcms2 library.”

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0105 64th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:littlecms:little_cms:2.9:::::::*	2.9	Vulnerable	littlecms

cpe:2.3:a:littlecms:little_cms:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·littlecms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-11555
2026-10-03 Alias added: GHSA-4xq7-f7cv-mrfw

References

Advisory 2

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-2018-08265 tificc in Little CMS 2.9 has an out-of-bounds write in the… CVSS 3.0HIGH 7.8
TI-2026-29862 Integer overflow in littlecms little cms color engine CVSS 3.1HIGH 7.5
TI-2009-00558 Memory leak in LittleCMS (aka lcms or liblcms) before 1.18beta2, as used in Firefox… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences