{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92159","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-15T17:13:57.865Z","datePublished":"2026-10-14T17:12:47.065Z","dateUpdated":"2026-10-15T18:56:42.827Z"},"containers":{"cna":{"title":"F´: TlmPacketizer copies oversized telemetry past configured channel slots and emits corrupted packetized telemetry","problemTypes":[{"descriptions":[{"cweId":"CWE-130","lang":"en","description":"CWE-130: Improper Handling of Length Parameter Inconsistency","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-805","lang":"en","description":"CWE-805: Buffer Access with Incorrect Length Value","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/nasa/fprime/security/advisories/GHSA-grrq-8rmr-xf83","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nasa/fprime/security/advisories/GHSA-grrq-8rmr-xf83"},{"name":"https://github.com/nasa/fprime/pull/4878","tags":["x_refsource_MISC"],"url":"https://github.com/nasa/fprime/pull/4878"},{"name":"https://github.com/nasa/fprime/commit/048fe04062b91be7af138df7e09cdd15812dde96","tags":["x_refsource_MISC"],"url":"https://github.com/nasa/fprime/commit/048fe04062b91be7af138df7e09cdd15812dde96"},{"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/v4.3.0a1","tags":["x_refsource_MISC"],"url":"https://github.com/nasa/fprime/releases/tag/v4.3.0a1"}],"affected":[{"vendor":"nasa","product":"fprime","versions":[{"version":"< 4.3.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-14T17:12:47.065Z"},"descriptions":[{"lang":"en","value":"F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::TlmPacketizer TlmRecv_handler fixed-slot copy TlmRecv_handler copies val.getSize bytes into entry.channelSize storage without confirming that the runtime value fits. When a telemetry update for a configured channel carries a serialized value larger than that channel fixed slot, the copy overwrites adjacent channel fields and causes corrupted packetized telemetry to be emitted. This issue is fixed in version 4.3.0."}],"source":{"advisory":"GHSA-grrq-8rmr-xf83","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/nasa/fprime/security/advisories/GHSA-grrq-8rmr-xf83","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-15T18:56:18.426514Z","id":"CVE-2026-92159","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":"2026-10-15T18:56:42.827Z"}}]}}