HighFix available
bind — security advisory
In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
- Products
- bind
- Affected versions
- Not specified
- Fixed versions
- 9.16.20-r0
- CVEs
- CVE-2021-25218
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:03 UTC · Revision 1
Source evidence
In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.
osv:ALPINE-CVE-2021-25218
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
bind
Fixed versions: 9.16.20-r0
Complete source record
{
"id": "133288072cfb041bd7e030635dd6a7974479af683c88631f226662cd9727d106",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-25218",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2021-25218",
"summary": "In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.",
"evidence": "osv:ALPINE-CVE-2021-25218",
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{
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"severity": "high",
"structured": {
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"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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},
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],
"package": {
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"ecosystem": "Alpine:v3.23"
},
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"ecosystem": "Alpine:v3.24"
},
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],
"modified": "2026-10-23T17:17:56.161010240Z",
"provider": "osv",
"upstream": [
"CVE-2021-25218"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2021-25218"
]
},
"related_cves": [
{
"value": "CVE-2021-25218",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415339,
"published_at": "2021-08-18T19:15:07.333+00:00"
}