CVE-2025-9900

HighCVSS 8.8/10Last modified Nov 4, 2026

Description

A flaw was found in Libtiff. This vulnerability is a "write-what-where" condition, triggered when the library processes a specially crafted TIFF image file.

By providing an abnormally large image height value in the file's metadata, an attacker can trick the library into writing attacker-controlled color data to an arbitrary memory location. This memory corruption can be exploited to cause a denial of service (application crash) or to achieve arbitrary code execution with the permissions of the user.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
——< 4.7.1
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support—
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle Support—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support—
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support—
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support—
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On—
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On—
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On—
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support—
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.6 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 8.6 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update Service—
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9.0 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support—
Red HatRed Hat AI Inference Server 3.2—
Red HatRed Hat AI Inference Server 3.2—
Red HatRed Hat AI Inference Server 3.2—
Red HatRed Hat AI Inference Server 3.2—
Red HatRed Hat AI Inference Server 3.2—
Red HatRed Hat Discovery 2—
Red HatRed Hat Hardened Images—
Red HatRed Hat Enterprise Linux 6—

References

Timeline

Published
Sep 23, 2025
Last modified
Nov 4, 2026
NVD status
Deferred

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CVE-2025-9900: High severity, CVSS 8.8 | Vulnix