USN-7080-1 (UBUNTU-CVE-2024-8508)
Vulnerability from osv_ubuntu – Published: 2024-10-22 13:09 – Updated: 2026-06-29 10:53 – Source website
VLAI
Summary
unbound vulnerability
Details
Toshifumi Sakaguchi discovered that Unbound incorrectly handled name compression for large RRsets, which could lead to excessive CPU usage. An attacker could potentially use this issue to cause a denial of service by sending specially crafted DNS responses.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm2"
},
{
"binary_name": "python-unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm2"
},
{
"binary_name": "unbound",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm2"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm2"
},
{
"binary_name": "unbound-host",
"binary_version": "1.4.22-1ubuntu4.14.04.3+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.4.22-1ubuntu4.14.04.3+esm2?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.22-1ubuntu4.14.04.3+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.20-1",
"1.4.21-1",
"1.4.21-1ubuntu1",
"1.4.21-1ubuntu2",
"1.4.22-1ubuntu1",
"1.4.22-1ubuntu2",
"1.4.22-1ubuntu3",
"1.4.22-1ubuntu4",
"1.4.22-1ubuntu4.14.04.1",
"1.4.22-1ubuntu4.14.04.2",
"1.4.22-1ubuntu4.14.04.3",
"1.4.22-1ubuntu4.14.04.3+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.5.8-1ubuntu1.1+esm2"
},
{
"binary_name": "python-unbound",
"binary_version": "1.5.8-1ubuntu1.1+esm2"
},
{
"binary_name": "unbound",
"binary_version": "1.5.8-1ubuntu1.1+esm2"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.5.8-1ubuntu1.1+esm2"
},
{
"binary_name": "unbound-host",
"binary_version": "1.5.8-1ubuntu1.1+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.5.8-1ubuntu1.1+esm2?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.8-1ubuntu1.1+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.4.22-1ubuntu6",
"1.5.7-1ubuntu1",
"1.5.7-1ubuntu2",
"1.5.8-1ubuntu1",
"1.5.8-1ubuntu1.1",
"1.5.8-1ubuntu1.1+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libunbound2",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
},
{
"binary_name": "python-unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
},
{
"binary_name": "unbound",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
},
{
"binary_name": "unbound-host",
"binary_version": "1.6.7-1ubuntu2.6+esm3"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.6.7-1ubuntu2.6+esm3?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.6.7-1ubuntu2.6+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.6.5-1",
"1.6.7-1",
"1.6.7-1build1",
"1.6.7-1ubuntu1",
"1.6.7-1ubuntu2",
"1.6.7-1ubuntu2.1",
"1.6.7-1ubuntu2.2",
"1.6.7-1ubuntu2.3",
"1.6.7-1ubuntu2.4",
"1.6.7-1ubuntu2.5",
"1.6.7-1ubuntu2.6",
"1.6.7-1ubuntu2.6+esm2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.9.4-2ubuntu1.9"
},
{
"binary_name": "python-unbound",
"binary_version": "1.9.4-2ubuntu1.9"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.9.4-2ubuntu1.9"
},
{
"binary_name": "unbound",
"binary_version": "1.9.4-2ubuntu1.9"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.9.4-2ubuntu1.9"
},
{
"binary_name": "unbound-host",
"binary_version": "1.9.4-2ubuntu1.9"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.9.4-2ubuntu1.9?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.9.4-2ubuntu1.9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.9.0-2ubuntu1",
"1.9.0-2ubuntu2",
"1.9.4-2",
"1.9.4-2ubuntu1",
"1.9.4-2ubuntu1.1",
"1.9.4-2ubuntu1.2",
"1.9.4-2ubuntu1.3",
"1.9.4-2ubuntu1.4",
"1.9.4-2ubuntu1.5",
"1.9.4-2ubuntu1.6",
"1.9.4-2ubuntu1.8"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.13.1-1ubuntu5.8"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.13.1-1ubuntu5.8"
},
{
"binary_name": "unbound",
"binary_version": "1.13.1-1ubuntu5.8"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.13.1-1ubuntu5.8"
},
{
"binary_name": "unbound-host",
"binary_version": "1.13.1-1ubuntu5.8"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.13.1-1ubuntu5.8?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.13.1-1ubuntu5.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.13.1-1ubuntu1",
"1.13.1-1ubuntu3",
"1.13.1-1ubuntu5",
"1.13.1-1ubuntu5.1",
"1.13.1-1ubuntu5.2",
"1.13.1-1ubuntu5.3",
"1.13.1-1ubuntu5.4",
"1.13.1-1ubuntu5.5",
"1.13.1-1ubuntu5.7"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2024-8508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libunbound8",
"binary_version": "1.19.2-1ubuntu3.3"
},
{
"binary_name": "python3-unbound",
"binary_version": "1.19.2-1ubuntu3.3"
},
{
"binary_name": "unbound",
"binary_version": "1.19.2-1ubuntu3.3"
},
{
"binary_name": "unbound-anchor",
"binary_version": "1.19.2-1ubuntu3.3"
},
{
"binary_name": "unbound-host",
"binary_version": "1.19.2-1ubuntu3.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "unbound",
"purl": "pkg:deb/ubuntu/unbound@1.19.2-1ubuntu3.3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.19.2-1ubuntu3.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.17.1-2",
"1.18.0-2ubuntu1",
"1.18.0-2ubuntu2",
"1.19.1-1ubuntu1",
"1.19.2-1ubuntu1",
"1.19.2-1ubuntu3",
"1.19.2-1ubuntu3.1",
"1.19.2-1ubuntu3.2"
]
}
],
"aliases": [],
"details": "Toshifumi Sakaguchi discovered that Unbound incorrectly handled name \ncompression for large RRsets, which could lead to excessive CPU usage. \nAn attacker could potentially use this issue to cause a denial of service\nby sending specially crafted DNS responses.\n",
"id": "USN-7080-1",
"modified": "2026-06-29T10:53:18Z",
"published": "2024-10-22T13:09:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7080-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2024-8508"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "unbound vulnerability",
"upstream": [
"UBUNTU-CVE-2024-8508"
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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