{"id":"CVE-2026-118589","aliases":[],"cve":{"records":[{"id":"CVE-2026-118589","source":"VulDB","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-28T16:17:16.147Z","published":"2026-10-28T23:45:18.675Z","modified":"2026-10-29T17:20:40.744Z"}],"publishers":[{"name":"VulDB","role":"CNA","organizationId":"1af790b2-7ee1-4545-860a-a788eba489b5","modified":"2026-10-28T23:45:18.675Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T17:20:40.744Z"}],"references":[{"url":"https://vuldb.com/vuln/428027","tags":["vdb-entry","technical-description"],"source":"VulDB"},{"url":"https://vuldb.com/vuln/428027/cti","tags":["signature","permissions-required"],"source":"VulDB"},{"url":"https://vuldb.com/cve/CVE-2026-118589","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://vuldb.com/submit/1026207","tags":["third-party-advisory"],"source":"VulDB"},{"url":"https://github.com/nschloe/meshio/issues/1576","tags":["issue-tracking"],"source":"VulDB"},{"url":"https://github.com/nschloe/meshio/","tags":["product"],"source":"VulDB"}],"weaknesses":[{"id":"CWE-789","description":"Uncontrolled Memory Allocation","source":"VulDB"},{"id":"CWE-400","description":"Resource Consumption","source":"VulDB"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T15:43:42.543685Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"nschloe meshio VTK Reader _vtk_42.py memory allocation","titleSource":"VulDB","descriptionSource":"VulDB","description":"A weakness has been identified in nschloe meshio up to 5.3.5. Impacted is an unknown function of the file meshio/_vtk_42.py of the component VTK Reader. Executing a manipulation of the argument DIMENSIONS can lead to uncontrolled memory allocation. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.","score":6.9,"severity":"medium","published":"2026-10-28T23:45:18.675Z","modified":"2026-10-29T17:20:40.744Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"nschloe","name":"meshio","platforms":[],"versions":[{"version":"5.3.0","status":"affected"},{"version":"5.3.1","status":"affected"},{"version":"5.3.2","status":"affected"},{"version":"5.3.3","status":"affected"},{"version":"5.3.4","status":"affected"},{"version":"5.3.5","status":"affected"}],"cpes":["cpe:2.3:a:nschloe:meshio:*:*:*:*:*:*:*:*"],"source":"VulDB","url":"https://www.cve.org/CVERecord?id=CVE-2026-118589"}],"remediation":[],"references":["https://vuldb.com/vuln/428027","https://vuldb.com/vuln/428027/cti","https://vuldb.com/cve/CVE-2026-118589","https://vuldb.com/submit/1026207","https://github.com/nschloe/meshio/issues/1576","https://github.com/nschloe/meshio/"],"sources":[{"name":"CVE","id":"CVE-2026-118589","modified":"2026-10-29T17:20:40.744Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118589"}],"assessments":[{"source":"VulDB","vector":"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","score":6.9},{"source":"VulDB","vector":"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","score":5.3},{"source":"VulDB","vector":"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","score":5.3},{"source":"VulDB","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C","score":5}],"sourceAffected":[],"observedAt":"2026-10-29T17:51:45.778Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T03:10:30.875Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-29T00:10:31.990Z","attemptedAt":"2026-10-29T00:10:31.990Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-29T00:10:33.684Z","attemptedAt":"2026-10-29T00:10:33.684Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T00:10:31.990Z","attemptedAt":"2026-10-29T00:10:31.990Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-29T00:10:31.990Z","attemptedAt":"2026-10-29T00:10:31.990Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112559","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112559","modified":"Oct 28, 2026, 11:45:18 PM","score":6.9,"vector":"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","checkedAt":"2026-10-29T00:10:31.990Z"}],"aiSummary":{"text":"A weakness in nschloe meshio up to version 5.3.5 allows uncontrolled memory allocation via the DIMENSIONS argument in the VTK Reader's _vtk_42.py file. The attack can be executed remotely.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:54:16.308Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118589"}]}}