bind: Fix of 6 CVEs
- CVE-2026-11331: return from RPZ wildcard CNAME expansion when the resulting name is too long instead of continuing with an invalid name - CVE-2026-11721: reject RRSIG records whose Labels field is smaller than the signer's label count, and skip out-of-zone nodes in dnssec-signzone - CVE-2026-13321: reject NSEC RRsets containing a record whose Next Domain Name points outside the signer's zone - CVE-2026-10723: require the NSEC3 signer name to equal the zone apex derived from the NSEC3 owner name - CVE-2026-13204: only accept an NSEC/NSEC3 denial record that has a matching RRSIG, and propagate the failure instead of asserting - CVE-2026-11622: reference count cache RRset headers so superseded generations are reclaimed without waiting for the owning node to become unreferenced
- Products
- bind, bind-chroot, bind-devel, bind-dnssec-doc, bind-dnssec-utils, bind-doc, bind-libs, bind-license, bind-utils, python3-bind
- Affected versions
- Not specified
- Fixed versions
- 32:9.16.23-31.el9_6.2.tuxcare.els5
- CVEs
- CVE-2026-10723, CVE-2026-11331, CVE-2026-11622, CVE-2026-11721, CVE-2026-13204, CVE-2026-13321
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:49 UTC · Revision 1
Source evidence
- CVE-2026-11331: return from RPZ wildcard CNAME expansion when the resulting name is too long instead of continuing with an invalid name - CVE-2026-11721: reject RRSIG records whose Labels field is smaller than the signer's label count, and skip out-of-zone nodes in dnssec-signzone - CVE-2026-13321: reject NSEC RRsets containing a record whose Next Domain Name points outside the signer's zone - CVE-2026-10723: require the NSEC3 signer name to equal the zone apex derived from the NSEC3 owner name - CVE-2026-13204: only accept an NSEC/NSEC3 denial record that has a matching RRSIG, and propagate the failure instead of asserting - CVE-2026-11622: reference count cache RRset headers so superseded generations are reclaimed without waiting for the owning node to become unreferenced
osv:CLSA-2026-1785489780
bind
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-chroot
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-devel
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-dnssec-doc
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-dnssec-utils
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-doc
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-libs
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-license
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
bind-utils
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
python3-bind
Fixed versions: 32:9.16.23-31.el9_6.2.tuxcare.els5
Complete source record
{
"id": "1769660e56814d153cc4d54c10320bcd312ca771983e890447a7e30619cd97d7",
"url": "https://osv.dev/vulnerability/CLSA-2026-1785489780",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "bind: Fix of 6 CVEs",
"summary": "- CVE-2026-11331: return from RPZ wildcard CNAME expansion when the resulting name is too long instead of continuing with an invalid name - CVE-2026-11721: reject RRSIG records whose Labels field is smaller than the signer's label count, and skip out-of-zone nodes in dnssec-signzone - CVE-2026-13321: reject NSEC RRsets containing a record whose Next Domain Name points outside the signer's zone - CVE-2026-10723: require the NSEC3 signer name to equal the zone apex derived from the NSEC3 owner name - CVE-2026-13204: only accept an NSEC/NSEC3 denial record that has a matching RRSIG, and propagate the failure instead of asserting - CVE-2026-11622: reference count cache RRset headers so superseded generations are reclaimed without waiting for the owning node to become unreferenced",
"evidence": "osv:CLSA-2026-1785489780",
"products": [
{
"name": {
"value": "bind",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-chroot",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-dnssec-doc",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-dnssec-utils",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-doc",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-libs",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-license",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind-utils",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-bind",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "32:9.16.23-31.el9_6.2.tuxcare.els5",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1785489780",
"aliases": [
"CLSA-2026-1785489780"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind",
"purl": "pkg:rpm/tuxcare/bind?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind-chroot",
"purl": "pkg:rpm/tuxcare/bind-chroot?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind-devel",
"purl": "pkg:rpm/tuxcare/bind-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind-dnssec-doc",
"purl": "pkg:rpm/tuxcare/bind-dnssec-doc?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind-dnssec-utils",
"purl": "pkg:rpm/tuxcare/bind-dnssec-utils?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "bind-doc",
"purl": "pkg:rpm/tuxcare/bind-doc?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
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}
]
}
],
"package": {
"name": "bind-libs",
"purl": "pkg:rpm/tuxcare/bind-libs?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
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{
"introduced": "0"
},
{
"fixed": "32:9.16.23-31.el9_6.2.tuxcare.els5"
}
]
}
],
"package": {
"name": "bind-license",
"purl": "pkg:rpm/tuxcare/bind-license?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
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}
]
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],
"package": {
"name": "bind-utils",
"purl": "pkg:rpm/tuxcare/bind-utils?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "python3-bind",
"purl": "pkg:rpm/tuxcare/python3-bind?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785489780.json"
}
}
],
"modified": "2026-10-26T09:43:24.399223489Z",
"provider": "osv",
"upstream": [
"CVE-2026-10723",
"CVE-2026-11331",
"CVE-2026-11622",
"CVE-2026-11721",
"CVE-2026-13204",
"CVE-2026-13321"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1785489780.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-10723",
"https://nvd.nist.gov/vuln/detail/CVE-2026-11331",
"https://nvd.nist.gov/vuln/detail/CVE-2026-11622",
"https://nvd.nist.gov/vuln/detail/CVE-2026-11721",
"https://nvd.nist.gov/vuln/detail/CVE-2026-13204",
"https://nvd.nist.gov/vuln/detail/CVE-2026-13321"
]
},
"related_cves": [
{
"value": "CVE-2026-10723",
"evidence": "/upstream"
},
{
"value": "CVE-2026-11331",
"evidence": "/upstream"
},
{
"value": "CVE-2026-11622",
"evidence": "/upstream"
},
{
"value": "CVE-2026-11721",
"evidence": "/upstream"
},
{
"value": "CVE-2026-13204",
"evidence": "/upstream"
},
{
"value": "CVE-2026-13321",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449894,
"published_at": "2026-07-31T09:23:14+00:00"
}