Resource exhaustion in Nipy Nibabel
CVE-2026-118590
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.
Vulnerability class: DoS (Denial of Service)
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Nipy Nibabel — versions 5.4.0, 5.4.1, 5.4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/428028 (technical-description, vdb-entry)
- vuldb.com/vuln/428028/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-118590 (third-party-advisory)
- vuldb.com/submit/1026208 (third-party-advisory)
- github.com/nipy/nibabel/issues/1566 (issue-tracking)
- github.com/nipy/nibabel/pull/1587 (issue-tracking, patch)
- github.com/nipy/nibabel/ (product)
Frequently asked questions
- What is CVE-2026-118590?
- CVE-2026-118590 is a medium-severity vulnerability in Nipy Nibabel, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-10-29.
- How severe is CVE-2026-118590?
- Medium severity. CVSS v3 base score is 5.3 out of 10.