A heap buffer overflow vulnerability has been identified in thesmooth2() in cmsgamma.c in lcms2-2.16 which allows a remote attacker to cause a denial of service. NOTE: the Supplier disputes this because "this is not exploitable as this function is never called on normal color management, is there only as a helper for low-level programming and investigation."

MediumVendor CVSS 5.3 / 10 1 CVE Published Aug 7, 2026 at 12:57 AM UTC

Summary

Mariner

Separate remediation guidance was not included in the collected bulletin.

Aug 7, 2026 at 12:57 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Aug 12, 2026 at 11:28 PM UTC
Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
Oct 9, 2026 at 9:25 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Details collected from Microsoft Security Response Center.

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