CVE catalog

CVE-2026-42798

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

Severity: Medium · CVSS 4CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Published: Apr 30, 2026, 7:16:37 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.13% · Oct 25, 2026

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

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	lcms2	sid	`2.19.1-1`	fixed
Debian	lcms2	forky	`2.19.1-1`	fixed
Debian	lcms2	trixie	`2.16-2+deb13u2`	fixed
Debian	lcms2	trixie-security	`2.16-2+deb13u2`	fixed
Debian	lcms2	bookworm	`2.14-2+deb12u1`	not affected
Debian	lcms2	bookworm-security	`2.14-2+deb12u1`	not affected
Cpe	lcms2	Not reported	Not reported	not affected
Ubuntu	lcms2	25.10	`2.16-2`	vulnerable
Ubuntu	lcms2	25.10	`2.16-2ubuntu0.1`	vulnerable
Ubuntu	lcms2	25.10	`2.16-2ubuntu0.2`	fixed
Ubuntu	lcms2	26.04	`2.16-2`	vulnerable
Ubuntu	lcms2	26.04	`2.17-1`	vulnerable
Ubuntu	lcms2	26.04	`2.17-1ubuntu0.1`	vulnerable
Ubuntu	lcms2	26.04	`2.17-1ubuntu0.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lcms2	source	sid	`2.19.1-1`	not yet assigned	Not reported	[1135320]
Debian	lcms2	source	forky	`2.19.1-1`	not yet assigned	Not reported	[1135320]
Debian	lcms2	source	trixie	`2.16-2+deb13u2`	not yet assigned	Not reported	[1135320]
Debian	lcms2	source	bookworm	`Not affected`	unimportant	Not reported	[1135320]
Ubuntu	lcms2	deb	25.10	`2.16-2ubuntu0.2`	Not reported	UBUNTU-CVE-2026-42798	Not reported
Ubuntu	lcms2	deb	26.04	`2.17-1ubuntu0.2`	Not reported	UBUNTU-CVE-2026-42798	Not reported

[Debian bug #1135320]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[liblcms2-2]Not affected
Source package: [lcms2]
Details (4)
- 2.14-2+deb12u1 · amd64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm
[liblcms2-dev]Not affected
Source package: [lcms2]
Details (4)
- 2.14-2+deb12u1 · amd64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm
[liblcms2-utils]Not affected
Source package: [lcms2]
Details (4)
- 2.14-2+deb12u1 · amd64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · amd64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm
- 2.14-2+deb12u1 · arm64 · bookworm-security
  Not affected
  nvd · lcms2 · debian · bookworm

[Debian 13 (Trixie)]

[liblcms2-2]Fixed
Source package: [lcms2]
Details (4)
- 2.16-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
[liblcms2-dev]Fixed
Source package: [lcms2]
Details (4)
- 2.16-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
[liblcms2-utils]Fixed
Source package: [lcms2]
Details (4)
- 2.16-2+deb13u2 · amd64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13
- 2.16-2+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 2.16-2+deb13u2
  nvd · lcms2 · debian · 13

Observed: Oct 27, 2026, 7:54:37 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]