{"id":"CVE-2026-118590","title":"nipy nibabel Header volumeutils.py array_from_file memory allocation","summary":"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 memor…","severity":"medium","cvss":5.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-789","CWE-400"],"vendor":"nipy","product":"nibabel","affected":["nibabel 5.4.0","nibabel 5.4.1","nibabel 5.4.2"],"published":"2026-10-29","updated":"2026-10-29","sourceUpdated":"2026-10-29T00:00:21.707Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118590","references":[{"url":"https://vuldb.com/vuln/428028","label":"VDB-428028 | nipy nibabel Header volumeutils.py array_from_file memory allocation"},{"url":"https://vuldb.com/vuln/428028/cti","label":"VDB-428028 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-118590","label":"CVE-2026-118590 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/1026208","label":"Submit #1026208 | nipy nibabel 5.4.2 Uncontrolled Memory Allocation"},{"url":"https://github.com/nipy/nibabel/issues/1566"},{"url":"https://github.com/nipy/nibabel/pull/1587"},{"url":"https://github.com/nipy/nibabel/"}],"tags":["cve.org"],"epss":0.00419,"epssPercentile":0.36173,"ingestedAt":"2026-10-30T21:09:21.622Z","slug":"CVE-2026-118590","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `nibabel 5.4.0`\n- `nibabel 5.4.1`\n- `nibabel 5.4.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}