{"id":"CVE-2026-17572","state":"PUBLISHED","title":"HDF5 SOHM List Index Heap Buffer Overflow","description":"Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service (crash) via a crafted HDF5 file whose shared-message list index declares a num_messages count exceeding list_max, triggering out-of-bounds heap reads and writes in H5SM__cache_list_deserialize and H5SM__cache_list_verify_chksum.","publishedAt":"2026-07-27T15:11:36.949Z","updatedAt":"2026-07-27T18:37:34.393Z","severity":{"score":5.5,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U","source":"HDFG"},"assigner":"HDFG","products":["The HDF Group HDF5"],"affected":[{"vendor":"The HDF Group","product":"HDF5","defaultStatus":"unaffected","versions":[{"version":"<= 2.1.1","status":"affected","versionType":"custom"}],"modules":["Shared Object Header Message List"]}],"references":["https://github.com/HDFGroup/hdf5/issues/6501"],"weaknesses":["CWE-125","CWE-787"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/17xxx/CVE-2026-17572.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-17572","state":"PUBLISHED","datePublished":"2026-07-27T15:11:36.949Z","dateUpdated":"2026-07-27T18:37:34.393Z","assignerShortName":"HDFG","assignerOrgId":"0253b833-3e77-4dfe-9d57-17db1a2f0a74","dateReserved":"2026-07-27T15:07:05.659Z"},"containers":{"cna":{"title":"HDF5 SOHM List Index Heap Buffer Overflow","descriptions":[{"lang":"en","value":"Heap-based buffer overflow in the SOHM list-index deserialization code in HDF5 through 2.1.1 on all platforms allows attackers to cause a denial of service (crash) via a crafted HDF5 file whose shared-message list index declares a num_messages count exceeding list_max, triggering out-of-bounds heap reads and writes in H5SM__cache_list_deserialize and H5SM__cache_list_verify_chksum."}],"affected":[{"vendor":"The HDF Group","product":"HDF5","defaultStatus":"unaffected","versions":[{"version":"<= 2.1.1","status":"affected","versionType":"custom"}],"modules":["Shared Object Header Message List"]}],"references":[{"url":"https://github.com/HDFGroup/hdf5/issues/6501"}],"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":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":5.5,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H/E:U"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125 Out-of-bounds read","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787 Out-of-bounds write","type":"CWE"}]}],"providerMetadata":{"shortName":"HDFG","orgId":"0253b833-3e77-4dfe-9d57-17db1a2f0a74","dateUpdated":"2026-07-27T15:11:36.949Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-27T18:37:26.864389Z","id":"CVE-2026-17572","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-27T18:37:34.393Z"}}]}}}