{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-17573","assignerOrgId":"0253b833-3e77-4dfe-9d57-17db1a2f0a74","state":"PUBLISHED","assignerShortName":"HDFG","dateReserved":"2026-07-27T15:07:06.180Z","datePublished":"2026-07-27T15:11:54.655Z","dateUpdated":"2026-07-27T17:27:00.732Z"},"containers":{"cna":{"providerMetadata":{"orgId":"0253b833-3e77-4dfe-9d57-17db1a2f0a74","shortName":"HDFG","dateUpdated":"2026-07-27T15:11:54.655Z"},"title":"Double Free in H5D__chunk_copy() in HDF5 via a Crafted Chunk-Index Size Field","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-415","description":"CWE-415 Double free","type":"CWE"}]}],"affected":[{"vendor":"The HDF Group","product":"HDF5","platforms":["Linux"],"versions":[{"status":"affected","version":"<= 2.1.1","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.","supportingMedia":[{"type":"text/html","base64":false,"value":"A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via <code>h5repack</code> may cause the application to abort due to a double free.<br>"}]}],"references":[{"url":"https://github.com/HDFGroup/hdf5/issues/6124"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":4,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"references":[{"url":"https://github.com/HDFGroup/hdf5/issues/6124","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-27T17:26:40.305274Z","id":"CVE-2026-17573","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-27T17:27:00.732Z"}}]}}