{"id":"CVE-2026-86095","aliases":["AZL-99894","DEBIAN-CVE-2026-86095","EUVD-2026-71788","GHSA-mm3m-jp7w-cj3m","SUSE-SU-2026:4249-1","UBUNTU-CVE-2026-86095"],"status":"published","title":"Unidata netcdf-c through 4.10.1 Out-of-bounds Write via Oversized HDF5 Attribute Name","description":"Unidata netcdf-c through 4.10.1 contains an out-of-bounds write vulnerability in NC4_HDF5_inq_attname() that copies HDF5 attribute names into a fixed 256-byte buffer without length validation. 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Attackers can craft HDF5 files with oversized attribute names to overflow the destination buffer, causing memory corruption and crashes when applications enumerate attribute names.","status":"published","published":"2026-09-04T23:18:00Z","modified":"2026-10-17T13:01:13.732410882Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"AZL-99894","title":"CVE-2026-86095 affecting package netcdf 4.9.0-4","description":"Unidata netcdf-c through 4.10.1 contains an out-of-bounds write vulnerability in NC4_HDF5_inq_attname() that copies HDF5 attribute names into a fixed 256-byte buffer without length validation. 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