CVE-2020-24370

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Source
https://cve.org/CVERecord?id=CVE-2020-24370
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24370.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-24370
Aliases
Downstream
Related
Published
2020-08-17T17:15:13.877Z
Modified
2026-07-08T19:02:33.173912Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
[none]
Details

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "introduced": "31"
                },
                {
                    "last_affected": "31"
                },
                {
                    "introduced": "32"
                },
                {
                    "last_affected": "32"
                }
            ],
            "source": "CPE_STRING"
        },
        {
            "cpes": [
                "cpe:2.3:a:lua:lua:5.2.0:alpha:*:*:*:*:*:*",
                "cpe:2.3:a:lua:lua:5.2.0:beta:*:*:*:*:*:*",
                "cpe:2.3:a:lua:lua:5.3.0:alpha:*:*:*:*:*:*",
                "cpe:2.3:a:lua:lua:5.3.0:beta:*:*:*:*:*:*",
                "cpe:2.3:a:lua:lua:5.4.0:alpha:*:*:*:*:*:*",
                "cpe:2.3:a:lua:lua:5.4.0:beta:*:*:*:*:*:*"
            ],
            "vendor_product": "lua:lua",
            "extracted_events": [
                {
                    "introduced": "5.2.0-alpha"
                },
                {
                    "last_affected": "5.2.0-alpha"
                },
                {
                    "introduced": "5.2.0-beta"
                },
                {
                    "last_affected": "5.2.0-beta"
                },
                {
                    "introduced": "5.3.0-alpha"
                },
                {
                    "last_affected": "5.3.0-alpha"
                },
                {
                    "introduced": "5.3.0-beta"
                },
                {
                    "last_affected": "5.3.0-beta"
                },
                {
                    "introduced": "5.4.0-alpha"
                },
                {
                    "last_affected": "5.4.0-alpha"
                },
                {
                    "introduced": "5.4.0-beta"
                },
                {
                    "last_affected": "5.4.0-beta"
                }
            ],
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/lua/lua

Affected ranges

Type
GIT
Repo
https://github.com/lua/lua
Events
Introduced
e2fc2ce8dfe107d1e2742b459c2aaf137227bbc1
Last affected
c33b1728aeb7dfeec4013562660e07d32697aa6b
Fixed
a585eae6e7ada1ca9271607a4f48dfb17868ab7b
Database specific 
{
    "cpe": [
        "cpe:2.3:a:lua:lua:5.2.0:-:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.2.1:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.2.2:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.2.3:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.0:-:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.1:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.2:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.3:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.4:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.3.5:*:*:*:*:*:*:*",
        "cpe:2.3:a:lua:lua:5.4.0:-:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "5.2.0-NA"
        },
        {
            "last_affected": "5.2.0-NA"
        },
        {
            "introduced": "5.2.1"
        },
        {
            "last_affected": "5.2.1"
        },
        {
            "introduced": "5.2.2"
        },
        {
            "last_affected": "5.2.2"
        },
        {
            "introduced": "5.2.3"
        },
        {
            "last_affected": "5.2.3"
        },
        {
            "introduced": "5.3.0-NA"
        },
        {
            "last_affected": "5.3.0-NA"
        },
        {
            "introduced": "5.3.1"
        },
        {
            "last_affected": "5.3.1"
        },
        {
            "introduced": "5.3.2"
        },
        {
            "last_affected": "5.3.2"
        },
        {
            "introduced": "5.3.3"
        },
        {
            "last_affected": "5.3.3"
        },
        {
            "introduced": "5.3.4"
        },
        {
            "last_affected": "5.3.4"
        },
        {
            "introduced": "5.3.5"
        },
        {
            "last_affected": "5.3.5"
        },
        {
            "introduced": "5.4.0-NA"
        },
        {
            "last_affected": "5.4.0-NA"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

5.*
5.2.0-NA
5.2.1
5.2.2
5.2.3
5.3.0-NA
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.4.0-NA
v5.*
v5.2.0
v5.2.1
v5.2.2
v5.3-alpha
v5.3-beta
v5.3.0
v5.3.1
v5.3.2
v5.3.3
v5.3.4
v5.4-alpha
v5.4-beta
v5.4-w2
v5.4.0

Database specific

vanir_signatures 
[
    {
        "digest": {
            "function_hash": "160457310741932794514906761248697216809",
            "length": 606.0
        },
        "target": {
            "function": "luaG_findlocal",
            "file": "ldebug.c"
        },
        "id": "CVE-2020-24370-3408fa99",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b",
        "deprecated": false
    },
    {
        "digest": {
            "function_hash": "176948320927037737175998274991413929359",
            "length": 298.0
        },
        "target": {
            "function": "findvararg",
            "file": "ldebug.c"
        },
        "id": "CVE-2020-24370-a6e6ec70",
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b",
        "deprecated": false
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "308106254715576835832771124558186333737",
                "28150857163617153757180128882987340278",
                "67856167705625202229537381893379792047",
                "118168772934001778875555195425693302437",
                "316101619877408557194703765822106706457",
                "103962487352111355186447672861982043630",
                "180146486087139942444320654781720975268",
                "293123111573401127190810486268369394313",
                "110117011450095061191785096815592359580"
            ]
        },
        "target": {
            "file": "ldebug.c"
        },
        "id": "CVE-2020-24370-caf2fa2e",
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/lua/lua/commit/a585eae6e7ada1ca9271607a4f48dfb17868ab7b",
        "deprecated": false
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-24370.json"
vanir_signatures_modified 
"2026-07-08T19:02:33Z"