CVE-2026-118590
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| nibabel nipy |
5.4.0 (affected) 5.4.1 (affected) 5.4.2 (affected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS: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 | CNA: VulDB |
| 3.1 / 5.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C | CNA: VulDB |
| 3.0 / 5.3 medium |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C | CNA: VulDB |
| 2.0 / 5.0 medium |
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://vuldb.com/vuln/428028CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/428028/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-118590CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1026208CNA: VulDB · third-party-advisory
- https://github.com/nipy/nibabel/issues/1566CNA: VulDB · issue-tracking
- https://github.com/nipy/nibabel/pull/1587CNA: VulDB · issue-tracking, patch
- https://github.com/nipy/nibabel/CNA: VulDB · product
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