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CVE-2026-111275— nifti_clib through 3.0.1 Stack Out-of-Bounds Access via nifti_convert_n2hdr2nim

Quick assessment

Affected
NIFTI-Imaging nifti_clib
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

nifti_clib 版本 3.0.1 及之前版本存在一个基于栈的越界读取和写入漏洞，该漏洞位于 函数中，原因是 NIfTI-2 格式的 值未经过范围检查。攻击者可以构造一个大小为 540 字节的恶意 NIfTI-2 头部数据，并通过 函数进行读取，从而导致应用程序崩溃或破坏栈内存。

CVSS 6.1 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
NIFTI-Imaging nifti_clib ≤ 3.0.1 affected
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I. Basic Information for CVE-2026-111275

Vulnerability Information
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Vulnerability Title
nifti_clib through 3.0.1 Stack Out-of-Bounds Access via nifti_convert_n2hdr2nim
Source: CVE Program / CVE List V5
Vulnerability Description
nifti_clib through 3.0.1 contains a stack-based out-of-bounds read and write vulnerability in nifti_convert_n2hdr2nim() because the NIfTI-2 dim[0] value is never range-checked. Attackers can supply a crafted 540-byte NIfTI-2 header read via nifti_image_read() to crash applications or corrupt stack memory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
NIFTI-Imaging nifti_clib 0 ~ 3.0.1 -

II. Public POCs for CVE-2026-111275

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111275

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Patches & Fixes for CVE-2026-111275 (1)

Vendor Advisories for CVE-2026-111275 (2)

Security Blog Posts for CVE-2026-111275 (1)

Vendor Pages for CVE-2026-111275 (1)

Other References for CVE-2026-111275 (1)

IV. Related Vulnerabilities

Same weakness: CWE-787

V. Comments for CVE-2026-111275

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