| Name | CVE-2026-41254 |
| Description | Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4568-1 |
| Debian Bugs | 1134335 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| lcms2 (PTS) | bullseye | 2.12~rc1-2 | vulnerable |
| bullseye (security) | 2.12~rc1-2+deb11u1 | fixed |
| bookworm | 2.14-2 | vulnerable |
| trixie | 2.16-2 | vulnerable |
| forky | 2.17-1.1 | fixed |
| sid | 2.19.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| lcms2 | source | bullseye | 2.12~rc1-2+deb11u1 | | DLA-4568-1 | |
| lcms2 | source | (unstable) | 2.17-1.1 | | | 1134335 |
Notes
https://www.openwall.com/lists/oss-security/2026/04/17/16
https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/
Fixed by: https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0 (master)
Fixed by: https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc (master)