CVE-2026-42798
medium
CVSS v3
4.0
CVSS v4 NEW
—
VIR risk
4.0
Description
Little CMS (lcms2) 2.16 through 2.18 before 2.19 has an integer overflow in ParseCube in cmscgats.c.
Predictions
Exploit likelihood
40%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | affected | |
| debian | sid | fixed | 2.19.1-1 |
| debian | trixie | fixed | 2.16-2+deb13u2 |
| sles | affected | |
References
- https://github.com/mm2/Little-CMS/commit/6a686019825a89b715d16671f18d049523354176
- https://github.com/mm2/Little-CMS/compare/lcms2.18...lcms2.19
- https://www.openwall.com/lists/oss-security/2026/04/30/8
- https://security-tracker.debian.org/tracker/CVE-2026-42798
- https://www.suse.com/security/cve/CVE-2026-42798.html
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.