UnratedFix available
Fix of CVE: CVE-2021-25215, CVE-2021-25214, CVE-2021-25216
Type: advisorySources: OSV
- A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) - An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215) - A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack (CVE-2021-25216)
- Products
- bind, bind-chroot, bind-devel, bind-libs, bind-sdb, bind-utils
- Affected versions
- Not specified
- Fixed versions
- 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
- CVEs
- CVE-2021-25214, CVE-2021-25215, CVE-2021-25216
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:52 UTC · Revision 1
Source evidence
Fix of CVE: CVE-2021-25215, CVE-2021-25214, CVE-2021-25216
core-osv · Original sourcePublished 21 Sept 2021, 22:01 UTC
- A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) - An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215) - A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack (CVE-2021-25216)
osv:CLSA-2021-1632261705
bind
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
bind-chroot
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
bind-devel
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
bind-libs
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
bind-sdb
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
bind-utils
Fixed versions: 33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els
Complete source record
{
"id": "1840ffaa3b4de01f22041503e71b7d7f142968bba6aa3996713d89b78b985158",
"url": "https://osv.dev/vulnerability/CLSA-2021-1632261705",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix of CVE: CVE-2021-25215, CVE-2021-25214, CVE-2021-25216",
"summary": "- A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly (CVE-2021-25214) - An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself (CVE-2021-25215) - A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack (CVE-2021-25216)",
"evidence": "osv:CLSA-2021-1632261705",
"products": [
{
"name": {
"value": "bind",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-chroot",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-libs",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-sdb",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-utils",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2021-1632261705",
"aliases": [
"CLSA-2021-1632261705"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind",
"purl": "pkg:rpm/tuxcare/bind?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind-chroot",
"purl": "pkg:rpm/tuxcare/bind-chroot?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind-devel",
"purl": "pkg:rpm/tuxcare/bind-devel?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind-libs",
"purl": "pkg:rpm/tuxcare/bind-libs?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind-sdb",
"purl": "pkg:rpm/tuxcare/bind-sdb?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "33:9.8.2-0.68.rc1.el6_10.10.cloudlinux.els"
}
]
}
],
"package": {
"name": "bind-utils",
"purl": "pkg:rpm/tuxcare/bind-utils?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2021-1632261705.json"
}
}
],
"modified": "2026-10-21T10:47:11.490296617Z",
"provider": "osv",
"upstream": [
"CVE-2021-25214",
"CVE-2021-25215",
"CVE-2021-25216"
],
"references": [
"https://errata.cloudlinux.com/els6/CLSA-2021-1632261705.html"
]
},
"related_cves": [
{
"value": "CVE-2021-25214",
"evidence": "/upstream"
},
{
"value": "CVE-2021-25215",
"evidence": "/upstream"
},
{
"value": "CVE-2021-25216",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392311,
"published_at": "2021-09-21T22:01:45+00:00"
}