ZDI-CAN-27266: ZDI-25-1151: (0Day) 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.
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-2025-14933.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-27266?
The severity of ZDI-CAN-27266 is critical due to the potential for remote code execution by attackers.
How do I fix ZDI-CAN-27266?
To fix ZDI-CAN-27266, users should update to the latest version of NSF Unidata NetCDF-C as recommended by the vendor.
Who is affected by ZDI-CAN-27266?
Users and organizations using NSF Unidata NetCDF-C are affected by ZDI-CAN-27266.
What type of attack does ZDI-CAN-27266 allow?
ZDI-CAN-27266 allows remote attackers to execute arbitrary code on affected installations.
Is user interaction required to exploit ZDI-CAN-27266?
Yes, user interaction is required as the target must visit a malicious page or open a malicious file for exploitation.