{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-88389", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-25T14:07:39.290Z", "dateReserved": "2026-09-10T00:00:00.000Z", "datePublished": "2026-09-25T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-25T14:07:39.290Z"}, "descriptions": [{"lang": "en", "value": "Espruino 2v29 (commit bffc6d0) contains a NULL pointer dereference vulnerability in jslGetRawString() in src/jslex.c. Crafted raw/binary string input can cause the lexer to pass a NULL iterator target to jsvLockAgain(). In RELEASE/NO_ASSERT builds, the missing assertion guard allows a write through the NULL pointer, resulting in memory corruption and application termination or denial of service."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/espruino/Espruino/issues/2745"}, {"url": "https://github.com/espruino/Espruino/commit/0db0663ac5201a6fea68094b45da673edec45187"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Espruino 2v29 (commit bffc6d0) contains a NULL pointer dereference vulnerability in jslGetRawString() in src/jslex.c. Crafted raw/binary string input can cause the lexer to pass a NULL iterator target to jsvLockAgain(). In RELEASE/NO_ASSERT builds, the missing assertion guard allows a write through the NULL pointer, resulting in memory corruption and application termination or denial of service."}], "id": "CVE-2026-88389", "lastModified": "2026-09-25T15:17:56.687", "metrics": {}, "published": "2026-09-25T15:17:56.687", "references": [{"source": "[email protected]", "url": "https://github.com/espruino/Espruino/commit/0db0663ac5201a6fea68094b45da673edec45187"}, {"source": "[email protected]", "url": "https://github.com/espruino/Espruino/issues/2745"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2v29"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "espruino", "vendor": "espruino"}], "created": "2026-09-26T00:15:16.122199+00:00", "title": "NULL Pointer Dereference in Espruino Lexer Leading to Memory Corruption", "updated": "2026-09-26T13:15:11.131866+00:00", "vendors": ["espruino", "espruino$PRODUCT$espruino"], "weaknesses": ["CWE-476"]}