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vuln-ubuntu/data/osv/usn/USN-4920-1.json
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{
"schema_version": "1.7.0",
"id": "USN-4920-1",
"summary": "zeromq3 vulnerabilities",
"details": "It was discovered that ZeroMQ incorrectly handled certain application\nmetadata. A remote attacker could use this issue to cause ZeroMQ to crash,\nor possibly execute arbitrary code. (CVE-2019-13132)\n\nIt was discovered that ZeroMQ mishandled certain network traffic. An\nunauthenticated attacker could use this vulnerability to cause a denial-of-\nservice and prevent legitimate clients from communicating with ZeroMQ.\n(CVE-2020-15166)\n\nIt was discovered that ZeroMQ did not properly manage memory under certain\ncircumstances. If a user or automated system were tricked into connecting\nto one or multiple compromised servers, a remote attacker could use this\nissue to cause a denial of service. (CVE-2021-20234)\n\nIt was discovered that ZeroMQ incorrectly handled memory when processing\nmessages with arbitrarily large sizes under certain circumstances. A remote\nunauthenticated attacker could use this issue to cause a ZeroMQ server to crash,\nresulting in a denial of service, or possibly execute arbitrary code. This issue\nonly affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-20235)\n\nIt was discovered that ZeroMQ did not properly manage memory under certain\ncircumstances. A remote unauthenticated attacker could use this issue to\ncause a ZeroMQ server to crash, resulting in a denial of service. This issue\nonly affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-20237)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2019-13132",
"UBUNTU-CVE-2020-15166",
"UBUNTU-CVE-2021-20234",
"UBUNTU-CVE-2021-20235",
"UBUNTU-CVE-2021-20237"
],
"related": [],
"published": "2022-06-15T18:16:23Z",
"modified": "2026-06-29T10:52:49Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "zeromq3",
"purl": "pkg:deb/ubuntu/zeromq3@4.0.4+dfsg-2ubuntu0.1+esm3?arch=source&distro=trusty/esm"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.0.4+dfsg-2ubuntu0.1+esm3"
}
]
}
],
"versions": [
"3.2.3+dfsg-2",
"3.2.4+dfsg-1",
"3.2.4+dfsg-2",
"3.2.4+dfsg-3",
"3.2.4+dfsg-4",
"4.0.3+dfsg-1",
"4.0.4+dfsg-2",
"4.0.4+dfsg-2ubuntu0.1",
"4.0.4+dfsg-2ubuntu0.1+esm1",
"4.0.4+dfsg-2ubuntu0.1+esm2"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libzmq3",
"binary_version": "4.0.4+dfsg-2ubuntu0.1+esm3"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2021-20234",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "zeromq3",
"purl": "pkg:deb/ubuntu/zeromq3@4.1.4-7ubuntu0.1+esm2?arch=source&distro=esm-apps/xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.1.4-7ubuntu0.1+esm2"
}
]
}
],
"versions": [
"4.0.5+dfsg-3ubuntu1~gcc5.1",
"4.0.5+dfsg-3ubuntu2",
"4.1.4-7",
"4.1.4-7ubuntu0.1",
"4.1.4-7ubuntu0.1+esm1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libzmq5",
"binary_version": "4.1.4-7ubuntu0.1+esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2021-20234",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "zeromq3",
"purl": "pkg:deb/ubuntu/zeromq3@4.2.5-1ubuntu0.2+esm2?arch=source&distro=esm-apps/bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.2.5-1ubuntu0.2+esm2"
}
]
}
],
"versions": [
"4.2.1-4ubuntu1",
"4.2.2-1ubuntu2",
"4.2.3-1",
"4.2.3-1build1",
"4.2.5-1",
"4.2.5-1ubuntu0.1",
"4.2.5-1ubuntu0.2",
"4.2.5-1ubuntu0.2+esm1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libzmq5",
"binary_version": "4.2.5-1ubuntu0.2+esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2021-20234",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2021-20235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-20237",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "zeromq3",
"purl": "pkg:deb/ubuntu/zeromq3@4.3.2-2ubuntu1.20.04.1~esm2?arch=source&distro=esm-apps/focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.2-2ubuntu1.20.04.1~esm2"
}
]
}
],
"versions": [
"4.3.2-1",
"4.3.2-2",
"4.3.2-2ubuntu1",
"4.3.2-2ubuntu1.20.04.1~esm1"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libzmq5",
"binary_version": "4.3.2-2ubuntu1.20.04.1~esm2"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"cves": [
{
"id": "CVE-2021-20234",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2021-20235",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2021-20237",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4920-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-13132"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-15166"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-20234"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-20235"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-20237"
}
]
}
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