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CVE-2026-4775

HIGH CVSS: 7.8 Published: 2026-03-24 Modified: 2026-07-15

Description

A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution.

Affected Platforms

Redhat Enterprise LinuxRedhat Hardened ImagesLibtiff LibtiffDebian Debian Linux

Weakness Type

CWE-190, CWE-190

References