{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87020", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-09-08T17:11:53.753Z", "datePublished": "2026-09-11T14:11:13.098Z", "dateUpdated": "2026-09-11T14:57:02.877Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-09-11T14:11:13.098Z"}, "title": "Orthanc DICOM Server Integer Overflow or Wraparound", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-190", "description": "CWE-190", "type": "CWE"}]}], "affected": [{"vendor": "Orthanc", "product": "DICOM Server", "versions": [{"status": "affected", "version": "0", "lessThan": "1.13.0", "versionType": "custom"}, {"status": "unaffected", "version": "1.13.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An integer overflow in a specified pitch and buffer-size computation leads to a heap out-of-bounds write when Orthanc\u00a0DICOM Server\u00a0decodes an attacker-supplied PNG.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>An integer overflow in a specified pitch and buffer-size computation leads to a heap out-of-bounds write when Orthanc&nbsp;</span>DICOM Server&nbsp;<span>decodes an attacker-supplied PNG.</span>"}]}], "references": [{"url": "https://orthanc.uclouvain.be/downloads/index.html"}, {"url": "https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-253-02"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-253-02.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Orthanc recommends users update to v1.13.0.\u00a0\n https://orthanc.uclouvain.be/downloads/index.html", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>Orthanc recommends users update to v1.13.0.&nbsp;</span><br><a href=\"https://orthanc.uclouvain.be/downloads/index.html\">https://orthanc.uclouvain.be/downloads/index.html</a>"}]}], "credits": [{"lang": "en", "value": "Andrej Tomci reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSMA-26-253-02", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-87020", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-11T14:51:25.708590Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-11T14:57:02.877Z"}}]}}

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