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vuln-ubuntu/data/osv/usn/USN-5658-1.json
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{
"schema_version": "1.7.0",
"id": "USN-5658-1",
"summary": "isc-dhcp vulnerabilities",
"details": "It was discovered that DHCP incorrectly handled option reference counting.\nA remote attacker could possibly use this issue to cause DHCP servers to\ncrash, resulting in a denial of service. (CVE-2022-2928)\n\nIt was discovered that DHCP incorrectly handled certain memory operations.\nA remote attacker could possibly use this issue to cause DHCP clients and\nservers to consume resources, leading to a denial of service.\n(CVE-2022-2929)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2022-2928",
"UBUNTU-CVE-2022-2929"
],
"related": [],
"published": "2022-10-05T16:45:48Z",
"modified": "2026-04-22T07:37:02Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.3.5-3ubuntu7.4?arch=source&distro=bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.5-3ubuntu7.4"
}
]
}
],
"versions": [
"4.3.5-3ubuntu2",
"4.3.5-3ubuntu3",
"4.3.5-3ubuntu4",
"4.3.5-3ubuntu5",
"4.3.5-3ubuntu6",
"4.3.5-3ubuntu7",
"4.3.5-3ubuntu7.1",
"4.3.5-3ubuntu7.2",
"4.3.5-3ubuntu7.3"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.3.5-3ubuntu7.4"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.3.5-3ubuntu7.4"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"id": "CVE-2022-2928",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-2929",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.4.1-2.1ubuntu5.20.04.4?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.1-2.1ubuntu5.20.04.4"
}
]
}
],
"versions": [
"4.4.1-2ubuntu5",
"4.4.1-2ubuntu6",
"4.4.1-2.1ubuntu1",
"4.4.1-2.1ubuntu2",
"4.4.1-2.1ubuntu3",
"4.4.1-2.1ubuntu4",
"4.4.1-2.1ubuntu5",
"4.4.1-2.1ubuntu5.20.04.1",
"4.4.1-2.1ubuntu5.20.04.2",
"4.4.1-2.1ubuntu5.20.04.3"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.4.1-2.1ubuntu5.20.04.4"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2022-2928",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-2929",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "isc-dhcp",
"purl": "pkg:deb/ubuntu/isc-dhcp@4.4.1-2.3ubuntu2.3?arch=source&distro=jammy"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.4.1-2.3ubuntu2.3"
}
]
}
],
"versions": [
"4.4.1-2.3ubuntu1",
"4.4.1-2.3ubuntu2",
"4.4.1-2.3ubuntu2.1",
"4.4.1-2.3ubuntu2.2"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "isc-dhcp-client",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-relay",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-server",
"binary_version": "4.4.1-2.3ubuntu2.3"
},
{
"binary_name": "isc-dhcp-server-ldap",
"binary_version": "4.4.1-2.3ubuntu2.3"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:22.04:LTS",
"cves": [
{
"id": "CVE-2022-2928",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2022-2929",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5658-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-2928"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2022-2929"
}
]
}
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