{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18064", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-07-28T14:10:13.503Z", "datePublished": "2026-07-30T21:35:14.061Z", "dateUpdated": "2026-07-30T21:35:14.061Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-07-30T21:35:14.061Z"}, "title": "NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "type": "CWE"}]}], "affected": [{"vendor": "NASA", "product": "Core Flight System (cFS) Health & Safety (HS) Application", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "v7.0.1", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An incomplete fix for CVE-2026-15352 in the NASA core Flight System \n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \ndereference reachable in versions through 7.0.1. An attacker who can \ntrigger the affected command under specific conditions could cause the \nHS application to crash, resulting in a denial-of-service condition and \nprocessor reset.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "An incomplete fix for CVE-2026-15352 in the NASA core Flight System \n(cFS) Health and Safety (HS) application leaves a separate NULL pointer \ndereference reachable in versions through 7.0.1. An attacker who can \ntrigger the affected command under specific conditions could cause the \nHS application to crash, resulting in a denial-of-service condition and \nprocessor reset."}]}], "references": [{"url": "https://github.com/nasa/HS"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "NASA reports that an official fix is currently under development and is expected to be included in a future software release.\n\nAs an interim mitigation, users can update their HS app from the HS repo ( https://github.com/nasa/HS ) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965", "supportingMedia": [{"type": "text/html", "base64": false, "value": "NASA reports that an official fix is currently under development and is expected to be included in a future software release.<br><br>As an interim mitigation, users can update their HS app from the HS repo (<a href=\"https://github.com/nasa/HS\">https://github.com/nasa/HS</a>) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965"}]}], "credits": [{"lang": "en", "value": "Michael Holmquist of Hasp Labs reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-211-06", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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