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CVE-2026-118590

nipy nibabel Header volumeutils.py array_from_file memory allocation

6.9 Medium

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.42%Unchanged since Oct 29, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.9

nipy nibabel Header volumeutils.py array_from_file memory allocation

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
CVE-2026-118590
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C
CVSS 2.0
5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C
Weakness
CWE-789, CWE-400
Updated
2026-11-04
EUVDEUVD-2026-112560 6.9

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
EUVD-2026-112560
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Updated
2026-11-04
GitHub AdvisoriesGHSA-5v4h-cwmw-rr9x 6.9

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is...

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
GHSA-5v4h-cwmw-rr9x
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-400
Updated
2026-11-02
NVD 6.9

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
CVE-2026-118590
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400, CWE-789
Updated
2026-11-04
OSV 6.9

nipy nibabel Header volumeutils.py array_from_file memory allocation

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
CVE-2026-118590
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Weakness
CWE-400, CWE-789
Updated
2026-11-07
OSVDEBIAN-CVE-2026-118590 6.9

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
DEBIAN-CVE-2026-118590
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
Updated
2026-11-04
OSVUBUNTU-CVE-2026-118590 6.9

A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.

Record
UBUNTU-CVE-2026-118590
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-05

Affected products

Affected packages

Affected packages
PackageAffectedFixed
nibabel
Debian:12
 All versions, plus listed versions
5.0.0-25.1.0-15.2.0-15.2.0-25.2.0-3
Show 12 moreShow less
5.2.1-15.2.1-25.3.2-15.3.2-25.3.2-35.3.2-45.3.3-15.4.0-15.4.2-15.4.2-35.4.2-45.4.2-5
 None known
nibabel
Debian:13
 All versions, plus listed versions
5.3.2-25.3.2-35.3.2-45.3.3-15.4.0-1
Show 4 moreShow less
5.4.2-15.4.2-35.4.2-45.4.2-5
 None known
nibabel
Debian:14
 All versions, plus listed versions
5.3.2-25.3.2-35.3.2-45.3.3-15.4.0-1
Show 4 moreShow less
5.4.2-15.4.2-35.4.2-45.4.2-5
 None known
nibabel
Ubuntu:16.04:LTS
 All versions, plus listed versions
2.0.1-12.0.1-2ubuntu12.0.1-32.0.2-12.0.2-2
 None known
nipy
Ubuntu:16.04:LTS
 All versions, plus listed versions
0.3.0+git262-gbb838d7-1
 None known
nibabel
Ubuntu:18.04:LTS
 All versions, plus listed versions
2.1.0-12.2.0+git11-g2139ce0d-12.2.1-1
 None known
nipy
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.4.1-20.4.2-1
 None known
nibabel
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.5.0-12.5.1-12.5.1-22.5.1-3
 None known
nipy
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.4.2-20.4.2-3
 None known
nibabel
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.2.1-23.2.1-33.2.2-1
 None known
Show 7 moreShow less
Affected packages
PackageAffectedFixed
nipy
Ubuntu:22.04:LTS
 All versions, plus listed versions
0.4.3~rc1-10.5.0-20.5.0-2build1
 None known
nibabel
Ubuntu:24.04:LTS
 All versions, plus listed versions
5.1.0-15.2.0-15.2.0-25.2.0-35.2.1-1
 None known
nipy
Ubuntu:24.04:LTS
 All versions, plus listed versions
0.5.0-80.5.0-8build10.6.0-10.6.0-1build1
 None known
nibabel
Ubuntu:26.10
 All versions, plus listed versions
5.3.3-15.4.2-4
 None known
nipy
Ubuntu:26.10
 All versions, plus listed versions
0.6.1-40.6.1-5
 None known
nibabel
Ubuntu:26.04:LTS
 All versions, plus listed versions
5.3.2-25.3.2-3ubuntu15.3.2-45.3.3-1
 None known
nipy
Ubuntu:26.04:LTS
 All versions, plus listed versions
0.6.1-1build30.6.1-30.6.1-4
 None known

History

History
RecordedChangedSources
publishedEUVD, NVD, OSV
factsCVE List
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-118590 is a medium vulnerability (CVSS 6.9) in Nipy Nibabel, published October 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. No source names a fixed version.

References

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