Vulnerability 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. Attackers can craft HDF5 files with oversized attribute names to overflow the destination buffer, causing memory corruption and crashes when applications enumerate attribute names.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Unidata/netcdf-c
- https://github.com/Unidata/netcdf-c/blob/v4.10.1/libhdf5/hdf5attr.c
- https://www.vulncheck.com/advisories/unidata-netcdf-c-through-4.10.1-out-of-boun
FAQ
What is CVE-2026-86095?
CVE-2026-86095 is a vulnerability with a CVSS score of 7.8 (HIGH). 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. Attacke...
How severe is CVE-2026-86095?
CVE-2026-86095 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-86095?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.