Vulnerability Description
ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpi_json_string_escape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overflow by supplying crafted network packet data including TLS SNI, HTTP headers, or DNS names that reach the vulnerable function, causing heap corruption.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/ntop/nDPI
- https://github.com/ntop/nDPI/blob/5.0/src/lib/ndpi_serializer.c
- https://github.com/ntop/nDPI/commit/94e82c1de12323d992895830231865736a8abf2c
- https://www.vulncheck.com/advisories/ntop-ndpi-before-6.0-heap-buffer-overflow-v
FAQ
What is CVE-2026-86098?
CVE-2026-86098 is a vulnerability with a CVSS score of 7.4 (HIGH). ntop nDPI versions before 6.0 contain a heap buffer overflow vulnerability in the ndpi_json_string_escape function that writes beyond caller-supplied buffer boundaries. Attackers can trigger the overf...
How severe is CVE-2026-86098?
CVE-2026-86098 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-86098?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.