CVE-2020-36428
Status: ModifiedHigh (8.8)—
matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in ReadInt32DataDouble (called from ReadInt32Data and Mat_VarRead4).
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.39%
- Percentile among all scored CVEs: 71
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-787
References
Raw JSON (NVD)
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{
"id": "CVE-2020-36428",
"cveTags": [],
"metrics": {
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{
"type": "Primary",
"source": "nvd@nist.gov",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
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"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
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"affected": [
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"affectedData": [
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"product": "n/a",
"versions": [
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],
"published": "2021-07-20T07:15:07.730",
"references": [
{
"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21421",
"tags": [
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],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2020-799.yaml",
"tags": [
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{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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"vulnStatus": "Modified",
"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
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"value": "CWE-787"
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}
],
"descriptions": [
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"lang": "en",
"value": "matio (aka MAT File I/O Library) 1.5.18 through 1.5.21 has a heap-based buffer overflow in ReadInt32DataDouble (called from ReadInt32Data and Mat_VarRead4)."
},
{
"lang": "es",
"value": "matio (también se conoce como MAT File I/O Library) versiones 1.5.18 hasta 1.5.21, presenta un desbordamiento de búfer en la región heap de la memoria en la función ReadInt32DataDouble (llamado desde ReadInt32Data y Mat_VarRead4)"
}
],
"lastModified": "2026-06-17T03:15:28.237",
"configurations": [
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"nodes": [
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"cpeMatch": [
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"versionEndIncluding": "1.5.21",
"versionStartIncluding": "1.5.18"
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"operator": "OR"
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"sourceIdentifier": "cve@mitre.org"
}