CVE-2025-14933: (0Day) NSF Unidata NetCDF-C NC Variable Integer Overflow Remote Code Execution Vulnerability

Published Dec 23, 2025
·
Updated

NSF Unidata NetCDF-C NC Variable Integer 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 NC variables. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27266.

Affected Software

3 affected components
NSF Unidata NetCDF-C
NSF Unidata NetCDF-C
Unidata NetCDF

Event History

Dec 23, 2025
CVE Published
via MITRE·09:09 PM
Data Sourced
via MITRE·09:09 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via ZDI·09:16 PM
Data Sourced
via ZDI·09:16 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-14933?

CVE-2025-14933 is classified as a high-severity vulnerability that can allow remote code execution.

2

How do I fix CVE-2025-14933?

To fix CVE-2025-14933, update your NSF Unidata NetCDF-C installation to the latest patched version.

3

What type of attack does CVE-2025-14933 enable?

CVE-2025-14933 enables remote attackers to execute arbitrary code on affected systems.

4

Is user interaction required to exploit CVE-2025-14933?

Yes, user interaction is required to exploit CVE-2025-14933 by opening a malicious NetCDF file.

5

Which software is affected by CVE-2025-14933?

CVE-2025-14933 affects installations of NSF Unidata NetCDF-C.

Contact

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