{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63033", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-07-16T22:10:53.026Z", "datePublished": "2026-07-30T22:54:25.681Z", "dateUpdated": "2026-07-30T22:54:25.681Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-07-30T22:54:25.681Z"}, "title": "MZ Automation lib60870 Out-of-bounds Read", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "CWE-125", "type": "CWE"}]}], "affected": [{"vendor": "MZ Automation", "product": "lib60870", "versions": [{"status": "affected", "version": "2.4.0"}, {"status": "unaffected", "version": "2.4.1"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A crafted IEC 60870-5-104 I-frame with a declared object count exceeding\n what fits in the ASDU body causes InformationObject_ParseObjectAddress \nto read one byte past the end of the heap-allocated message buffer.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A crafted IEC 60870-5-104 I-frame with a declared object count exceeding\n what fits in the ASDU body causes InformationObject_ParseObjectAddress \nto read one byte past the end of the heap-allocated message buffer."}]}], "references": [{"url": "https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-11"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-11.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "MZ Automation recommends users update to version 2.4.1 when available.\nSee MZ Automation advisory for more \ninformation:\u00a0\n https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>MZ Automation recommends users update to version 2.4.1 when available.<br>See MZ Automation advisory for more \ninformation:&nbsp;<br><a href=\"https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7\">https://github.com/mz-automation/lib60870/security/advisories/GHSA-7v97-jmwv-w5j7</a></p>"}]}], "credits": [{"lang": "en", "value": "arun babu puthuparambil of Central Power Research Institute, Bengaluru, India reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-211-11", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.4.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.4.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "lib60870", "source": "cna", "vendor": "MZ Automation"}, "product": "lib60870", "vendor": "mz-automation"}], "created": "2026-07-31T00:30:18.316231+00:00", "updated": "2026-07-31T00:30:18.316268+00:00", "vendors": ["mz-automation", "mz-automation$PRODUCT$lib60870"]}