{"schemaVersion":3,"id":"CVE-2026-92156","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"F´ (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.","dates":{"published":"2026-10-14T17:10:13.076Z","modified":"2026-10-14T17:52:06.724Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0054,"percentile":0.44564,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-15T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0054,"percentile":0.44564}],"last30":[{"date":"2026-10-15T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0054,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0054,"percentile":0.44564}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-131","name":"Incorrect Calculation of Buffer Size","description":"The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/131.html"},{"id":"CWE-617","name":"Reachable Assertion","description":"The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/617.html"}],"affected":[{"vendor":"nasa","product":"fprime","name":"fprime","label":"fprime","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 4.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.3.0","eol":null,"hubHref":"/vendor/nasa/fprime"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7","label":"github.com/nasa/fprime/security/advisories/GHSA-6fxx-mgfv-55g7","hostname":"github.com","tags":["X Refsource CONFIRM"]},{"url":"https://github.com/nasa/fprime/pull/5633","label":"github.com/nasa/fprime/pull/5633","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://github.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755","label":"github.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755","hostname":"github.com","tags":["X Refsource MISC"]},{"url":"https://github.com/nasa/fprime/releases/tag/v4.3.0","label":"github.com/nasa/fprime/releases/tag/v4.3.0","hostname":"github.com","tags":["X Refsource MISC"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-14T17:10:13.076Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-14T17:52:06.724Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T14:30:33.438Z","stale":false,"partial":false}}