CVE-2025-14932: NSF Unidata NetCDF-C · Stack-based Buffer Overflow
Affects NSF Unidata NetCDF-CSource CVE Database V5
Not known to be exploited · CVSS 7.8 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
1. Monitor for and apply official patches or updates from NSF Unidata as soon as they become available. 2. Until patches are released, restrict the opening of NetCDF files from untrusted or unknown sources to minimize exposure. 3. Employ application whitelisting and sandboxing techniques for software that processes NetCDF files to contain potential exploitation. 4. Enable and enforce modern exploit mitigation technologies such as stack canaries, ASLR, and DEP (Data Execution Prevention) on all systems running NetCDF-C. 5. Conduct user awareness training to reduce the risk of opening malicious files or visiting harmful web pages. 6. Implement network segmentation to isolate systems handling sensitive scientific data, limiting lateral movement in case of compromise. 7. Use intrusion detection and prevention systems (IDS/IPS) tuned to detect anomalous behavior related to NetCDF file processing. 8. Regularly audit and monitor logs for unusual activity indicative of exploitation attempts. 9. Collaborate with software vendors and security communities to stay informed about emerging exploits and mitigation strategies.
Description
NSF Unidata NetCDF-C Time Unit 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 time units. 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-27273.