CVE-2026-111275

nifti_clib through 3.0.1 Stack Out-of-Bounds Access via nifti_convert_n2hdr2nim

6.9 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: High

Exploit likelihood

0.20%Up 0.1 points since Oct 16, 2026

What each source reports

CVE List Score used 6.9

nifti_clib through 3.0.1 Stack Out-of-Bounds Access via nifti_convert_n2hdr2nim

Record: CVE-2026-111275
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2026-102530 6.9

Record: EUVD-2026-102530
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jj37-jg79-p9qw 6.9

nifti_clib through 3.0.1 contains a stack-based out-of-bounds read and write vulnerability in...

Record: GHSA-jj37-jg79-p9qw
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

NVD 6.9

Record: CVE-2026-111275
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 6.9

nifti_clib through 3.0.1 Stack Out-of-Bounds Access via nifti_convert_n2hdr2nim

Record: CVE-2026-111275
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-787
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-111275 6.9

Record: UBUNTU-CVE-2026-111275
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Updated: 2026-11-02

Affected products

nifti-imaging nifti clib

Affected packages

Affected packages
Package	Affected	Fixed
`nifticlib` Ubuntu:16.04:LTS	All versions, plus listed versions 2.0.0-2	None known
`nifticlib` Ubuntu:18.04:LTS	All versions, plus listed versions 2.0.0-22.0.0-2build1	None known
`nifticlib` Ubuntu:20.04:LTS	All versions, plus listed versions 2.0.0-32.0.0-3ubuntu1	None known
`nifticlib` Ubuntu:22.04:LTS	All versions, plus listed versions 3.0.1-8	None known
`nifticlib` Ubuntu:24.04:LTS	All versions, plus listed versions 3.0.1-93.0.1-9.13.0.1-9.1build13.0.1-9.1ubuntu2	None known
`nifticlib` Ubuntu:26.10	All versions, plus listed versions 3.0.1-9.1ubuntu3	None known
`nifticlib` Ubuntu:26.04:LTS	All versions, plus listed versions 3.0.1-9.1ubuntu23.0.1-9.1ubuntu3	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-111275 is a medium vulnerability (CVSS 6.9) in Nifti-imaging Nifti Clib, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.

References

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