Medium
Security advisory
If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-5680
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:31 UTC · Revision 1
Source evidence
If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.
osv:CVE-2023-5680
Complete source record
{
"id": "e6ab945f95c1ca0f47906ad73f477c02b91a9ec9d3016ee11c70902a11f5b420",
"url": "https://osv.dev/vulnerability/CVE-2023-5680",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2023-5680",
"summary": "If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.",
"evidence": "osv:CVE-2023-5680",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2023-5680",
"aliases": [
"CVE-2023-5680"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/isc-projects/bind9",
"type": "GIT",
"events": [
{
"introduced": "617639b7cc40ba9eb6fde2d98099726d50da812e"
},
{
"last_affected": "eba38b89007f65bc6c1fdd2451034bbe3908b9a4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.3-s1"
},
{
"last_affected": "9.11.3-s1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:isc:bind:9.11.4:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.4-s1"
},
{
"last_affected": "9.11.4-s1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.6-s1"
},
{
"last_affected": "9.11.6-s1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"9.11.3-s1",
"9.11.4-s1",
"9.11.6-s1",
"v9.11.6-P1",
"v9.11.6",
"v9.11.6rc1",
"v9.11.4",
"v9.11.4rc2",
"v9.11.3rc1",
"v9.11.3b1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5680.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.isc.org/isc-projects/bind9",
"type": "GIT",
"events": [
{
"introduced": "617639b7cc40ba9eb6fde2d98099726d50da812e"
},
{
"last_affected": "eba38b89007f65bc6c1fdd2451034bbe3908b9a4"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.3-s1"
},
{
"last_affected": "9.11.3-s1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:isc:bind:9.11.4:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.4-s1"
},
{
"last_affected": "9.11.4-s1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*",
"range": [
{
"introduced": "9.11.6-s1"
},
{
"last_affected": "9.11.6-s1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"9.11.3-s1",
"9.11.4-s1",
"9.11.6-s1",
"v9.11.6-P1",
"v9.11.6",
"v9.11.6rc1",
"v9.11.4",
"v9.11.4rc2",
"v9.11.3rc1",
"v9.11.3b1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-5680.json"
}
}
],
"modified": "2026-10-24T10:30:40.675980597Z",
"provider": "osv",
"references": [
"https://kb.isc.org/docs/cve-2023-5680",
"https://security.netapp.com/advisory/ntap-20240503-0005/"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.35:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.37:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.3:s4:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.12:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.43:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.18.11:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.18.18:s1:*:*:supported_preview:*:*:*",
"cpe:2.3:a:isc:bind:9.18.21:s1:*:*:supported_preview:*:*:*"
],
"vendor_product": "isc:bind",
"extracted_events": [
{
"range": [
{
"introduced": "9.11.3-s4"
},
{
"last_affected": "9.11.3-s4"
},
{
"introduced": "9.11.3-s4"
},
{
"last_affected": "9.11.3-s4"
},
{
"introduced": "9.11.5-s3"
},
{
"last_affected": "9.11.5-s3"
},
{
"introduced": "9.11.5-s3"
},
{
"last_affected": "9.11.5-s3"
},
{
"introduced": "9.11.5-s5"
},
{
"last_affected": "9.11.5-s5"
},
{
"introduced": "9.11.5-s5"
},
{
"last_affected": "9.11.5-s5"
},
{
"introduced": "9.11.5-s6"
},
{
"last_affected": "9.11.5-s6"
},
{
"introduced": "9.11.5-s6"
},
{
"last_affected": "9.11.5-s6"
},
{
"introduced": "9.11.7-s1"
},
{
"last_affected": "9.11.7-s1"
},
{
"introduced": "9.11.7-s1"
},
{
"last_affected": "9.11.7-s1"
},
{
"introduced": "9.11.8-s1"
},
{
"last_affected": "9.11.8-s1"
},
{
"introduced": "9.11.8-s1"
},
{
"last_affected": "9.11.8-s1"
},
{
"introduced": "9.11.12-s1"
},
{
"last_affected": "9.11.12-s1"
},
{
"introduced": "9.11.12-s1"
},
{
"last_affected": "9.11.12-s1"
},
{
"introduced": "9.11.21-s1"
},
{
"last_affected": "9.11.21-s1"
},
{
"introduced": "9.11.21-s1"
},
{
"last_affected": "9.11.21-s1"
},
{
"introduced": "9.11.27-s1"
},
{
"last_affected": "9.11.27-s1"
},
{
"introduced": "9.11.27-s1"
},
{
"last_affected": "9.11.27-s1"
},
{
"introduced": "9.11.29-s1"
},
{
"last_affected": "9.11.29-s1"
},
{
"introduced": "9.11.29-s1"
},
{
"last_affected": "9.11.29-s1"
},
{
"introduced": "9.11.35-s1"
},
{
"last_affected": "9.11.35-s1"
},
{
"introduced": "9.11.35-s1"
},
{
"last_affected": "9.11.35-s1"
},
{
"introduced": "9.11.37-s1"
},
{
"last_affected": "9.11.37-s1"
},
{
"introduced": "9.11.37-s1"
},
{
"last_affected": "9.11.37-s1"
},
{
"introduced": "9.16.8-s1"
},
{
"last_affected": "9.16.8-s1"
},
{
"introduced": "9.16.8-s1"
},
{
"last_affected": "9.16.8-s1"
},
{
"introduced": "9.16.11-s1"
},
{
"last_affected": "9.16.11-s1"
},
{
"introduced": "9.16.11-s1"
},
{
"last_affected": "9.16.11-s1"
},
{
"introduced": "9.16.12-s1"
},
{
"last_affected": "9.16.12-s1"
},
{
"introduced": "9.16.12-s1"
},
{
"last_affected": "9.16.12-s1"
},
{
"introduced": "9.16.13-s1"
},
{
"last_affected": "9.16.13-s1"
},
{
"introduced": "9.16.13-s1"
},
{
"last_affected": "9.16.13-s1"
},
{
"introduced": "9.16.14-s1"
},
{
"last_affected": "9.16.14-s1"
},
{
"introduced": "9.16.14-s1"
},
{
"last_affected": "9.16.14-s1"
},
{
"introduced": "9.16.21-s1"
},
{
"last_affected": "9.16.21-s1"
},
{
"introduced": "9.16.21-s1"
},
{
"last_affected": "9.16.21-s1"
},
{
"introduced": "9.16.32-s1"
},
{
"last_affected": "9.16.32-s1"
},
{
"introduced": "9.16.32-s1"
},
{
"last_affected": "9.16.32-s1"
},
{
"introduced": "9.16.36-s1"
},
{
"last_affected": "9.16.36-s1"
},
{
"introduced": "9.16.36-s1"
},
{
"last_affected": "9.16.36-s1"
},
{
"introduced": "9.16.43-s1"
},
{
"last_affected": "9.16.43-s1"
},
{
"introduced": "9.16.43-s1"
},
{
"last_affected": "9.16.43-s1"
},
{
"introduced": "9.18.11-s1"
},
{
"last_affected": "9.18.11-s1"
},
{
"introduced": "9.18.11-s1"
},
{
"last_affected": "9.18.11-s1"
},
{
"introduced": "9.18.18-s1"
},
{
"last_affected": "9.18.18-s1"
},
{
"introduced": "9.18.18-s1"
},
{
"last_affected": "9.18.18-s1"
},
{
"introduced": "9.18.21-s1"
},
{
"last_affected": "9.18.21-s1"
},
{
"introduced": "9.18.21-s1"
},
{
"last_affected": "9.18.21-s1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2023-5680",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434975,
"published_at": "2024-02-13T14:15:45.85+00:00"
}