MEDIUM 5.3 Microsoft

CVE-2025-29070

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."

Microsoft Security Update 2026-Aug: 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."

Affected Products

References

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-10
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-08-06 via Microsoft. Affected: cbl2 lcms2 2.13.1-2, azl3 lcms2 2.15-1 on Azure Linux 3.0.
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