CVE-2020-19497

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Source
https://cve.org/CVERecord?id=CVE-2020-19497
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19497.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-19497
Downstream
Published
2021-07-21T18:15:09.097Z
Modified
2026-04-11T12:40:13.777515Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

References

Affected packages

Git / github.com/tbeu/matio

Affected ranges

Type
GIT
Repo
https://github.com/tbeu/matio
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
64f793668e09216029447990702c145403d14375
Fixed
5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.5.17"
        }
    ]
}

Affected versions

v1.*
v1.5.0
v1.5.0b1
v1.5.1
v1.5.10
v1.5.11
v1.5.12
v1.5.13
v1.5.14
v1.5.15
v1.5.16
v1.5.17
v1.5.2
v1.5.4
v1.5.5
v1.5.6
v1.5.7
v1.5.8
v1.5.9

Database specific

vanir_signatures_modified 
"2026-04-11T12:40:13Z"
vanir_signatures 
[
    {
        "id": "CVE-2020-19497-50629e9c",
        "target": {
            "file": "src/mat5.c",
            "function": "ReadNextCell"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "168464128060177551819576737395990941673",
            "length": 7714.0
        },
        "signature_type": "Function",
        "source": "https://github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2020-19497-6f7c70f5",
        "target": {
            "file": "src/mat5.c",
            "function": "Mat_VarReadNextInfo5"
        },
        "deprecated": false,
        "digest": {
            "function_hash": "46882531944099989651222743139195519614",
            "length": 6709.0
        },
        "signature_type": "Function",
        "source": "https://github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606",
        "signature_version": "v1"
    },
    {
        "id": "CVE-2020-19497-84f975f7",
        "target": {
            "file": "src/mat5.c"
        },
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "125997178291972357618424918322236905924",
                "321298351454805353948894525003263998383",
                "184340553889561575940288178441419672789",
                "106894594511672106424774003214651813625",
                "207476051808605968427141550520185821547",
                "131582593453526897823171401671890009069",
                "2145031563628040017002085798389648280",
                "320299113391535142622938725597417605848",
                "257712420465320408768335256384395746800",
                "80759247968947579170936256013164501781",
                "88668150995638720969129518123545621303",
                "237169908827737954555765976147573584135",
                "16497057057782366858346689961421958631",
                "71348519064663219030906290790911215836",
                "136506596555331688855412147482706340004",
                "85781026977752442034393402922790771397",
                "94696010855407425396805131175942085213",
                "277969012940951584292668734314784759444",
                "324758881292432488724986214737008527587",
                "16520299461650942293346512680769282912",
                "85781026977752442034393402922790771397",
                "94696010855407425396805131175942085213",
                "277969012940951584292668734314784759444",
                "92525313498758893867887233041218288034"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "source": "https://github.com/tbeu/matio/commit/5fa49ef9fc4368fe3d19b5fdaa36d8fa5e7f4606",
        "signature_version": "v1"
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19497.json"