{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54412", "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "state": "PUBLISHED", "assignerShortName": "TuranSec", "dateReserved": "2026-06-13T16:39:46.122Z", "datePublished": "2026-06-14T17:26:36.740Z", "dateUpdated": "2026-06-15T17:01:16.924Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c", "shortName": "TuranSec", "dateUpdated": "2026-06-14T17:27:35.016Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-191", "description": "CWE-191 Integer Underflow (Wrap or Wraparound)", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "A remote attacker controlling an MQTT broker - or able to inject one PUBLISH packet into an unencrypted MQTT session a victim has subscribed to - crashes a subscribed MQTT-C client by sending a single crafted PUBLISH packet whose topic_name_size exceeds the remaining_length field. 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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.1.6]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "MQTT-C", "source": "cna", "vendor": "LiamBindle"}, "product": "mqtt-c", "vendor": "liambindle"}], "created": "2026-06-14T19:30:14.414663+00:00", "updated": "2026-06-23T21:10:07.020666+00:00", "vendors": ["liambindle", "liambindle$PRODUCT$mqtt-c"]}