Buffer overflow in Nsf Unidata Netcdf-C

CVE-2025-14936

NSF Unidata NetCDF-C Attribute Name Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of NSF Unidata NetCDF-C. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of attribute names. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27269.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14936?
CVE-2025-14936 is a high-severity vulnerability in Nsf Unidata Netcdf-C, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-12-23.
How severe is CVE-2025-14936?
High severity. CVSS v3 base score is 7.8 out of 10.