UnratedFix available
bind: Fix of CVE-2023-6516
Type: advisorySources: OSV
- CVE-2023-6516: unbounded growth of the asynchronous RBTDB tree-pruning queue let a recursive resolver exceed the configured max-cache-size; tree pruning now runs on a dedicated task with an unlimited quantum so queued cleanup events cannot accumulate into a backlog
- Products
- bind, bind-chroot, bind-devel, bind-export-devel, bind-export-libs, bind-libs, bind-libs-lite, bind-license, bind-lite-devel, bind-pkcs11, bind-pkcs11-devel, bind-pkcs11-libs, bind-pkcs11-utils, bind-sdb, bind-sdb-chroot, bind-utils, python3-bind
- Affected versions
- Not specified
- Fixed versions
- 32:9.11.36-13.el8.tuxcare.els13
- CVEs
- CVE-2023-6516
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:58 UTC · Revision 1
Source evidence
- CVE-2023-6516: unbounded growth of the asynchronous RBTDB tree-pruning queue let a recursive resolver exceed the configured max-cache-size; tree pruning now runs on a dedicated task with an unlimited quantum so queued cleanup events cannot accumulate into a backlog
osv:CLSA-2026-1787670751
bind
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-chroot
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-devel
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-export-devel
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-export-libs
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-libs
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-libs-lite
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-license
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-lite-devel
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-pkcs11
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-pkcs11-devel
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-pkcs11-libs
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-pkcs11-utils
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-sdb
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-sdb-chroot
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
bind-utils
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
python3-bind
Fixed versions: 32:9.11.36-13.el8.tuxcare.els13
Complete source record
{
"id": "8183d078448f2aa30b0e7bedb4663e93da43d0128b0ebb87c9b694d59ac485c3",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787670751",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "bind: Fix of CVE-2023-6516",
"summary": "- CVE-2023-6516: unbounded growth of the asynchronous RBTDB tree-pruning queue let a recursive resolver exceed the configured max-cache-size; tree pruning now runs on a dedicated task with an unlimited quantum so queued cleanup events cannot accumulate into a backlog",
"evidence": "osv:CLSA-2026-1787670751",
"products": [
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"evidence": "/affected/0/package/name"
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"evidence": "/affected/0/ranges"
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{
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"evidence": "/affected/1/ranges"
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{
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{
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/8/package/name"
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"fixed_versions": [
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/9/package/name"
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"fixed_versions": [
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],
"affected_versions": []
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{
"name": {
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"evidence": "/affected/10/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/10/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "bind-pkcs11-libs",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.11.36-13.el8.tuxcare.els13",
"evidence": "/affected/11/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "bind-pkcs11-utils",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/13/package/name"
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"fixed_versions": [
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"affected_versions": []
},
{
"name": {
"value": "bind-sdb-chroot",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/14/ranges"
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/15/package/name"
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{
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},
{
"name": {
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"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.11.36-13.el8.tuxcare.els13",
"evidence": "/affected/16/ranges"
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],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1787670751",
"aliases": [
"CLSA-2026-1787670751"
],
"affected": [
{
"ranges": [
{
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{
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}
]
}
],
"package": {
"name": "bind",
"purl": "pkg:rpm/tuxcare/bind?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1787670751.json"
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"package": {
"name": "bind-chroot",
"purl": "pkg:rpm/tuxcare/bind-chroot?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/bind-devel?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
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"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1787670751.json"
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],
"package": {
"name": "bind-export-devel",
"purl": "pkg:rpm/tuxcare/bind-export-devel?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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}
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],
"package": {
"name": "bind-export-libs",
"purl": "pkg:rpm/tuxcare/bind-export-libs?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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"package": {
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"purl": "pkg:rpm/tuxcare/bind-libs?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
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"database_specific": {
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"package": {
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
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],
"package": {
"name": "bind-pkcs11",
"purl": "pkg:rpm/tuxcare/bind-pkcs11?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1787670751.json"
}
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],
"package": {
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"purl": "pkg:rpm/tuxcare/bind-pkcs11-devel?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
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"database_specific": {
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],
"package": {
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],
"package": {
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"purl": "pkg:rpm/tuxcare/bind-pkcs11-utils?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
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],
"package": {
"name": "bind-sdb",
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
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},
{
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],
"package": {
"name": "bind-sdb-chroot",
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"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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}
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{
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],
"package": {
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"purl": "pkg:rpm/tuxcare/bind-utils?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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}
},
{
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]
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],
"package": {
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"purl": "pkg:rpm/tuxcare/python3-bind?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
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}
}
],
"modified": "2026-10-26T09:31:38.499174695Z",
"provider": "osv",
"upstream": [
"CVE-2023-6516"
],
"references": [
"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1787670751.html",
"https://nvd.nist.gov/vuln/detail/CVE-2023-6516"
]
},
"related_cves": [
{
"value": "CVE-2023-6516",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447946,
"published_at": "2026-08-26T08:06:02+00:00"
}