CVE-2026-5443

{"id": "CVE-2026-5443", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5443", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-14T15:10:56.990073Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cret@cert.org", "affectedData": [{"vendor": "Orthanc", "product": "DICOM Server", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "1.12.10"}]}]}], "published": "2026-04-09T15:16:16.653", "references": [{"url": "https://kb.cert.org/vuls/id/536588", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cret@cert.org"}, {"url": "https://www.machinespirits.de/", "tags": ["Not Applicable"], "source": "cret@cert.org"}, {"url": "https://www.orthanc-server.com/", "tags": ["Product"], "source": "cret@cert.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A heap buffer overflow vulnerability exists during the decoding of `PALETTE COLOR` DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers."}], "lastModified": "2026-06-17T10:59:02.200", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:orthanc-server:orthanc:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A259075D-8B77-4B04-BC42-3E5ABE9DFE1F", "versionEndExcluding": "1.12.11"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}