ZDI-25-1152: (0Day) NSF Unidata NetCDF-C Variable Name Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published Dec 18, 2025
·
Updated

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 variable 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.

Other sources

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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-14934.

ZDI

Affected Software

2 affected components
NSF Unidata NetCDF-C
NSF Unidata NetCDF-C

Event History

Dec 18, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Dec 23, 2025
Advisory Published
via ZDI·09:16 PM
Data Sourced
via ZDI·09:16 PM
SeverityAffected Software

Frequently Asked Questions

1

What is the severity of ZDI-25-1152?

The severity of ZDI-25-1152 is high due to its ability to allow remote attackers to execute arbitrary code.

2

How do I fix ZDI-25-1152?

To fix ZDI-25-1152, ensure you update the NSF Unidata NetCDF-C to the latest version provided by the vendor.

3

Who is affected by ZDI-25-1152?

Users of NSF Unidata NetCDF-C may be affected by ZDI-25-1152 if they visit a malicious website or open a malicious file.

4

What type of attack can ZDI-25-1152 facilitate?

ZDI-25-1152 can facilitate remote code execution attacks requiring user interaction.

5

Is user interaction required to exploit ZDI-25-1152?

Yes, user interaction is required to exploit ZDI-25-1152, as the target must visit a malicious page or open a malicious file.

Contact

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