{"id":"AZL-94493","summary":"CVE-2026-19023 affecting package hdf5 1.14.6-4","details":"Untrusted pointer dereference in the render_bin_output function in the h5dump tool in HDF5 before 2.3.0 allows attackers to cause a denial of service via a variable-length string dataset with more than one element dumped in binary mode, which corrupts the per-element stride calculation and causes subsequent elements to be read from a misaligned offset and dereferenced as a pointer.","modified":"2026-08-30T05:26:50Z","published":"2026-08-05T23:16:53Z","upstream":["CVE-2026-19023"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19023"}],"affected":[{"package":{"name":"hdf5","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/hdf5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.14.6-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-94493.json"}}],"schema_version":"1.9.0"}