ubuntu-cve-2019-20019
Vulnerability from osv_ubuntu
Published
2019-12-27 02:15
Modified
2026-05-20 14:51
Summary
Details
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio2",
"binary_version": "1.5.2-1ubuntu1+esm1"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.2-1ubuntu1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.1-1",
"1.5.2-1",
"1.5.2-1ubuntu1",
"1.5.2-1ubuntu1+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio2",
"binary_version": "1.5.3-1ubuntu0.1~esm1"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.3-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.2-3build2",
"1.5.3-1",
"1.5.3-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio4",
"binary_version": "1.5.11-1ubuntu0.1~esm1"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.11-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.10-1",
"1.5.11-1",
"1.5.11-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio9",
"binary_version": "1.5.17-3ubuntu0.1~esm2"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.17-3ubuntu0.1~esm2?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.13-3",
"1.5.17-3",
"1.5.17-3ubuntu0.1~esm1",
"1.5.17-3ubuntu0.1~esm2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio11",
"binary_version": "1.5.21-1ubuntu0.1~esm1"
},
{
"binary_name": "matio-tools",
"binary_version": "1.5.21-1ubuntu0.1~esm1"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.21-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.19-2",
"1.5.21-1",
"1.5.21-1ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio11",
"binary_version": "1.5.26-1build3"
},
{
"binary_name": "matio-tools",
"binary_version": "1.5.26-1build3"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.26-1build3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.23-2",
"1.5.24-1",
"1.5.26-1",
"1.5.26-1build1",
"1.5.26-1build2",
"1.5.26-1build3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio13",
"binary_version": "1.5.28-2"
},
{
"binary_name": "matio-tools",
"binary_version": "1.5.28-2"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.28-2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.28-1build1",
"1.5.28-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libmatio14",
"binary_version": "1.5.30-2"
},
{
"binary_name": "matio-tools",
"binary_version": "1.5.30-2"
}
],
"priority_reason": "excessive memory allocation without a crash"
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libmatio",
"purl": "pkg:deb/ubuntu/libmatio@1.5.30-2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.5.28-2",
"1.5.29-1",
"1.5.30-2"
]
}
],
"aliases": [],
"details": "An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.",
"id": "UBUNTU-CVE-2019-20019",
"modified": "2026-05-20T14:51:48Z",
"published": "2019-12-27T02:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-20019"
},
{
"type": "REPORT",
"url": "https://github.com/tbeu/matio/issues/130"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-20019"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2019-20019"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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