{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-23T21:30:32.556","vulnerabilities":[{"cve":{"id":"CVE-2026-5438","sourceIdentifier":"cret@cert.org","published":"2026-04-09T15:16:15.327","lastModified":"2026-04-15T19:31:48.380","vulnStatus":"Analyzed","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."}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:orthanc-server:orthanc:*:*:*:*:*:*:*:*","versionEndExcluding":"1.12.11","matchCriteriaId":"A259075D-8B77-4B04-BC42-3E5ABE9DFE1F"}]}]}],"references":[{"url":"https://kb.cert.org/vuls/id/536588","source":"cret@cert.org","tags":["Third Party Advisory","VDB Entry"]},{"url":"https://www.machinespirits.de/","source":"cret@cert.org","tags":["Not Applicable"]},{"url":"https://www.orthanc-server.com/","source":"cret@cert.org","tags":["Product"]}]}}]}