CVE-2026-41254
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
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.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.16-2+deb13u2 |
| sid | Fixed | 2.17-1.1 |
| forky | Fixed | 2.17-1.1 |
| bullseye | Fixed | 2.12~rc1-2+deb11u1 |
| bookworm | Fixed | 2.14-2+deb12u1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| littlecms | little_cms | {"endIncluding":"2.18"} | |
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://www.openwall.com/lists/oss-security/2026/04/17/16
- https://lists.debian.org/debian-lts-announce/2026/05/msg00014.html
- https://security-tracker.debian.org/tracker/CVE-2026-41254
- https://www.suse.com/security/cve/CVE-2026-41254.html
CWEs
CWE-696 CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.