{"id":"CVE-2026-18064","state":"PUBLISHED","title":"NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference","description":"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.","publishedAt":"2026-07-30T21:35:14.061Z","updatedAt":"2026-07-31T15:41:27.652Z","severity":{"score":8.2,"label":"High","version":"4.0","vector":"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","source":"icscert"},"assigner":"icscert","products":["NASA Core Flight System (cFS) Health & Safety (HS) Application"],"affected":[{"vendor":"NASA","product":"Core Flight System (cFS) Health & Safety (HS) Application","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v7.0.1","versionType":"custom"}]}],"references":["https://github.com/nasa/HS","https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18064.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18064","state":"PUBLISHED","datePublished":"2026-07-30T21:35:14.061Z","dateUpdated":"2026-07-31T15:41:27.652Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-07-28T14:10:13.503Z"},"containers":{"cna":{"title":"NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference","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."}],"affected":[{"vendor":"NASA","product":"Core Flight System (cFS) Health & Safety (HS) Application","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"v7.0.1","versionType":"custom"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-07-30T21:35:14.061Z"},"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"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T15:40:36.521992Z","id":"CVE-2026-18064","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T15:41:27.652Z"}}]}}}