CVE-2026-42798

EUVD-2026-26351
Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Debian logo
Debian Releases
Debian Product
Codename
lcms2
bookworm
2.14-2+deb12u1
fixed
bookworm (security)
2.14-2+deb12u1
fixed
bullseye
2.12~rc1-2
fixed
bullseye (security)
2.12~rc1-2+deb11u1
fixed
forky
2.19.1-1
fixed
sid
2.19.1-1
fixed
trixie
2.16-2+deb13u2
fixed
trixie (security)
2.16-2+deb13u2
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
lcms2
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
lcms2-debuginfo
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
lcms2-debugsource
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
lcms2-devel
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
lcms2-utils
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
lcms2-utils-debuginfo
Amazon Linux 2023
0:2.19-75.amzn2023.0.1
fixed
Common Weakness Enumeration
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