Buffer overflow in Littlecms Little Cms

CVE-2018-11556

tificc in Little CMS 2.9 has an out-of-bounds write in the cmsPipelineCheckAndRetreiveStages function in cmslut.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.”

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-11556?
CVE-2018-11556 is a high-severity vulnerability in Littlecms Little Cms, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-05-30.
How severe is CVE-2018-11556?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-11556 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.