CVE-2026-41254
Published: April 21, 2026Last modified: May 4, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | lcms2 | Fixed (2.14-r1) |
| 25 LTS | lcms2 | Fixed (2.19-r0) | |
| Stream | lcms2 | Fixed (2.19-r0) |
References
- https://abhinavagarwal07.github.io/posts/lcms2-cubesize-overflow/
- https://github.com/mm2/Little-CMS/commit/da6110b1d14abc394633a388209abd5ebedd7ab0
- https://github.com/mm2/Little-CMS/commit/e0641b1828d0a1af5ecb1b11fe22f24fceefd4bc
- https://github.com/mm2/Little-CMS/security/advisories/GHSA-4xp6-rcgg-m9qq
- https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html
- https://www.openwall.com/lists/oss-security/2026/04/17/16