CVE-2020-15475

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Source
https://cve.org/CVERecord?id=CVE-2020-15475
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15475.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-15475
Downstream
Published
2020-07-01T11:15:11Z
Modified
2026-07-08T20:30:30Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In nDPI through 3.2, ndpi_reset_packet_line_info in lib/ndpi_main.c omits certain reinitialization, leading to a use-after-free.

References

Affected packages

Git / github.com/ntop/ndpi

Affected ranges

Type
GIT
Repo
https://github.com/ntop/ndpi
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
a50169a7b3ec36c8d789191b014715126e820698
Fixed
6a9f5e4f7c3fd5ddab3e6727b071904d76773952
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:ntop:ndpi:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.2"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.6
1.7
1.8
3.*
3.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15475.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "51934100062422575646143805195851292989",
                "169877489502572309715188622643718865888",
                "245914322038373838027517770688075883955",
                "99451729234919049448420143174394015364"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2020-15475-6ca0cbec",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/ntop/ndpi/commit/6a9f5e4f7c3fd5ddab3e6727b071904d76773952",
        "target": {
            "file": "src/lib/ndpi_main.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "76893278317898248010069755076064542516",
            "length": 1243
        },
        "id": "CVE-2020-15475-70c4dedf",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/ntop/ndpi/commit/6a9f5e4f7c3fd5ddab3e6727b071904d76773952",
        "target": {
            "file": "src/lib/ndpi_main.c",
            "function": "ndpi_reset_packet_line_info"
        }
    }
]
vanir_signatures_modified 
"2026-07-08T20:30:30Z"