2 lines
2.5 KiB
JSON
2 lines
2.5 KiB
JSON
{"affected":[{"affectedData":[{"product":"DICOM Server","vendor":"Orthanc","versions":[{"lessThanOrEqual":"1.12.10","status":"affected","version":"0","versionType":"custom"}]}],"source":"cret@cert.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:orthanc-server:orthanc:*:*:*:*:*:*:*:*","matchCriteriaId":"A259075D-8B77-4B04-BC42-3E5ABE9DFE1F","versionEndExcluding":"1.12.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A gzip decompression bomb vulnerability exists when Orthanc processes HTTP request with `Content-Encoding: gzip`. The server does not enforce limits on decompressed size and allocates memory based on attacker-controlled compression metadata. A specially crafted gzip payload can trigger excessive memory allocation and exhaust system memory."},{"lang":"es","value":"Una vulnerabilidad de bomba de descompresión gzip existe cuando Orthanc procesa solicitudes HTTP con ’Content-Encoding: gzip’. El servidor no impone límites en el tamaño descomprimido y asigna memoria basándose en metadatos de compresión controlados por el atacante. Una carga útil gzip especialmente diseñada puede desencadenar una asignación excesiva de memoria y agotar la memoria del sistema."}],"id":"CVE-2026-5438","lastModified":"2026-10-26T00:10:00.150","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-5438","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-04-14T15:13:20.018057Z","version":"2.0.3"}}]},"published":"2026-04-09T15:16:15.327","references":[{"source":"cret@cert.org","tags":["Third Party Advisory","VDB Entry"],"url":"https://kb.cert.org/vuls/id/536588"},{"source":"cret@cert.org","tags":["Not Applicable"],"url":"https://www.machinespirits.de/"},{"source":"cret@cert.org","tags":["Product"],"url":"https://www.orthanc-server.com/"}],"sourceIdentifier":"cret@cert.org","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-770"}],"source":"nvd@nist.gov","type":"Primary"}]}
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