CVE-2026-42798
lcms2: Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.
CVE-2026-42798 is fixed in 8 products on 1 platform, first by liblcms2-2 2.17-1ubuntu0.2, released May 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
4.0
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile
Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| lcms2 · Debian 13.5 (trixie) | 2.16-2+deb13u2 | DEBIAN-CVE-2026-42798 | May 15, 2026 |
| lcms2 · Debian 14 | 2.19.1-1 | DEBIAN-CVE-2026-42798 | May 15, 2026 |
| lcms2 · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| lcms2 · opensuse-leap 16.0 | 2.16-160000.4.1 | OPENSUSE-SU-2026:21202-1 | Jul 1, 2026 |
| lcms2 · sles 16.0 | 2.16-160000.4.1 | SUSE-SU-2026:22506-1 | Jul 1, 2026 |
| lcms2-debuginfo · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| lcms2-debugsource · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| lcms2-devel · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| lcms2-utils · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| lcms2-utils-debuginfo · amzn 2023 | 2.19-75.amzn2023.0.1 | ALAS2023-2026-1657 | May 11, 2026 |
| liblcms2-2 · Ubuntu 25.10 (questing) | 2.16-2ubuntu0.2 | liblcms2-2 2.16-2ubuntu0.2 | May 15, 2026 |
| liblcms2-2 · Ubuntu 26.04.1 LTS (resolute) | 2.17-1ubuntu0.2 | liblcms2-2 2.17-1ubuntu0.2 | May 4, 2026 |
| liblcms2-utils · Ubuntu 25.10 (questing) | 2.16-2ubuntu0.2 | liblcms2-utils 2.16-2ubuntu0.2 | May 15, 2026 |
| liblcms2-utils · Ubuntu 26.04.1 LTS (resolute) | 2.17-1ubuntu0.2 | liblcms2-utils 2.17-1ubuntu0.2 | May 4, 2026 |
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