NSF Unidata NetCDF-C Time Unit Stack-Based Buffer Overflow Remote Code Execution Vulnerability

Vulnerability

A stack-based buffer overflow vulnerability allowing remote code execution has been identified in NSF Unidata NetCDF-C. The issue arises from improper validation of user-supplied data lengths in the parsing of time units, leading to arbitrary code execution in the context of the current user. Exploitation requires user interaction, such as visiting a malicious page or opening a harmful file.

Impact

Exploitation of this vulnerability allows for arbitrary code execution on the affected system.

Remediation

Given the nature of the vulnerability, the recommended mitigation strategy is to limit interaction with the product.

Added: Dec 23, 2025, 9:21 PM
Updated: Dec 23, 2025, 9:21 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
10.0
exploitability
6.4
remediation
0.0
relevance
1.7
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.