{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92156", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-15T17:13:57.865Z", "datePublished": "2026-10-14T17:10:13.076Z", "dateUpdated": "2026-10-14T17:52:06.724Z"}, "containers": {"cna": {"title": "F\u00b4: EventManager asserts on legal oversized LogBuffer values delivered over the standard GenericHub event bridge", "problemTypes": [{"descriptions": [{"cweId": "CWE-131", "lang": "en", "description": "CWE-131: Incorrect Calculation of Buffer Size", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-617", "lang": "en", "description": "CWE-617: Reachable Assertion", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7"}, {"name": "https://github.com/nasa/fprime/pull/5633", "tags": ["x_refsource_MISC"], "url": "https://github.com/nasa/fprime/pull/5633"}, {"name": "https://github.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755", "tags": ["x_refsource_MISC"], "url": "https://github.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755"}, {"name": "https://github.com/nasa/fprime/releases/tag/v4.3.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/nasa/fprime/releases/tag/v4.3.0"}], "affected": [{"vendor": "nasa", "product": "fprime", "versions": [{"version": "< 4.3.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T17:10:13.076Z"}, "descriptions": [{"lang": "en", "value": "F\u00b4 (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::EventManager loqQueue_internalInterfaceHandler packetization is vulnerable because EventManager accepts up to the framework LogBuffer maximum, but packet descriptor, event identifier, and time-tag metadata consume part of the larger ComBuffer and leave a smaller remaining budget for log arguments; serialization failure then reaches an assertion. When a deployment bridges events through GenericHub into EventManager and forwards a legal Fw::LogBuffer larger than EventManager remaining log-argument budget, under standard F Prime assertion handling, a legal bridged event payload aborts or resets the process, causing denial of service. This issue is fixed in version 4.3.0."}], "source": {"advisory": "GHSA-6fxx-mgfv-55g7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-14T17:50:45.621287Z", "id": "CVE-2026-92156", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T17:52:06.724Z"}}]}}

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{"affected": [{"affectedData": [{"product": "fprime", "vendor": "nasa", "versions": [{"status": "affected", "version": "< 4.3.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "F\u00b4 (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::EventManager loqQueue_internalInterfaceHandler packetization is vulnerable because EventManager accepts up to the framework LogBuffer maximum, but packet descriptor, event identifier, and time-tag metadata consume part of the larger ComBuffer and leave a smaller remaining budget for log arguments; serialization failure then reaches an assertion. When a deployment bridges events through GenericHub into EventManager and forwards a legal Fw::LogBuffer larger than EventManager remaining log-argument budget, under standard F Prime assertion handling, a legal bridged event payload aborts or resets the process, causing denial of service. This issue is fixed in version 4.3.0."}], "id": "CVE-2026-92156", "lastModified": "2026-10-14T18:19:34.920", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-92156", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T17:50:45.621287Z", "version": "2.0.3"}}]}, "published": "2026-10-14T18:19:34.920", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755"}, {"source": "security-advisories@github.com", "url": "https://github.com/nasa/fprime/pull/5633"}, {"source": "security-advisories@github.com", "url": "https://github.com/nasa/fprime/releases/tag/v4.3.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-131"}, {"lang": "en", "value": "CWE-617"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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