CVE-2026-38427

{"id": "CVE-2026-38427", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 3.9}]}, "published": "2026-05-27T14:16:46.023", "references": [{"url": "https://github.com/arendst/Tasmota/blob/c207cc2/tasmota/tasmota_xdrv_driver/xdrv_10_scripter.ino", "source": "cve@mitre.org"}, {"url": "https://github.com/sermikr0/CVE-2026-38427", "source": "cve@mitre.org"}, {"url": "https://github.com/sermikr0/CVE-2026-38427", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "An issue in fetch_jpg() in xdrv_10_scripter.ino in Tasmota through 15.3.0.3 allows a remote attacker to cause heap buffer overflow. The Content-Length from a JPEG stream is stored in a uint16_t variable; values above 65535 wrap around, causing allocation of a smaller buffer than the data actually read."}], "lastModified": "2026-05-27T20:03:09.937", "sourceIdentifier": "cve@mitre.org"}