{"id":"AZL-94502","summary":"CVE-2026-19026 affecting package hdf5 1.14.6-4","details":"H5Z__filter_nbit in H5Znbit.c in HDF5 through 2.3.0 dereferences cd_values[0] through cd_values[4] without validating that cd_values is non-NULL or that cd_nelmts is at least 5, the fixed size of the filter's header. This allows attackers to cause a denial of service via a crafted HDF5 file that stores the N-Bit filter pipeline message with zero client-data values, opened and read via H5Dread, e.g. by the h5ls or h5repack tools.","modified":"2026-08-30T05:26:50Z","published":"2026-08-05T23:16:53Z","upstream":["CVE-2026-19026"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19026"}],"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-94502.json"}}],"schema_version":"1.9.0"}