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.
History

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 04 Sep 2026 22:45:00 +0000

Type Values Removed Values Added
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.
Title ntop nDPI before 6.0 Heap Buffer Overflow via ndpi_json_string_escape
First Time appeared Ntop
Ntop ndpi
Weaknesses CWE-787
CPEs cpe:2.3:a:ntop:ndpi:*:*:*:*:*:*:*:*
Vendors & Products Ntop
Ntop ndpi
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-04T22:38:48.064Z

Updated: 2026-09-14T19:33:07.375Z

Reserved: 2026-09-04T22:17:37.991Z

Link: CVE-2026-86098

cve-icon Vulnrichment

Updated: 2026-09-14T19:23:45.501Z

cve-icon NVD

Status : Deferred

Published: 2026-09-04T23:18:03.687

Modified: 2026-09-23T17:17:46.867

Link: CVE-2026-86098

cve-icon Redhat

No data.