Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.

This issue affects root.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00042.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/root-project/root/pull/18526 cve-icon cve-icon
History

Tue, 27 Jan 2026 09:00:00 +0000

Type Values Removed Values Added
Description Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C. This issue affects root.
Title An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GovTech CSG

Published:

Updated: 2026-01-27T08:47:52.811Z

Reserved: 2026-01-27T08:39:10.281Z

Link: CVE-2026-24811

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-01-27T09:15:51.440

Modified: 2026-01-27T09:15:51.440

Link: CVE-2026-24811

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.