bind9 — security advisory
The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when configured as a master server, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an ANY record in the prerequisite section of a crafted dynamic update message.
- Products
- bind9
- Affected versions
- Not specified
- Fixed versions
- 1:9.6.1.dfsg.P1-1
- CVEs
- CVE-2009-0696
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:56 UTC · Revision 1
Source evidence
The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when configured as a master server, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an ANY record in the prerequisite section of a crafted dynamic update message.
osv:DEBIAN-CVE-2009-0696
bind9
Fixed versions: 1:9.6.1.dfsg.P1-1
bind9
Fixed versions: 1:9.6.1.dfsg.P1-1
bind9
Fixed versions: 1:9.6.1.dfsg.P1-1
Complete source record
{
"id": "1e9310569a5bef23d630d5f8a5c599187e2cb5fa436db54adafe388a25d54975",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2009-0696",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2009-0696",
"summary": "The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when configured as a master server, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an ANY record in the prerequisite section of a crafted dynamic update message.",
"evidence": "osv:DEBIAN-CVE-2009-0696",
"products": [
{
"name": {
"value": "bind9",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.6.1.dfsg.P1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind9",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.6.1.dfsg.P1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind9",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.6.1.dfsg.P1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2009-0696",
"aliases": [
"DEBIAN-CVE-2009-0696"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.6.1.dfsg.P1-1"
}
]
}
],
"package": {
"name": "bind9",
"purl": "pkg:deb/debian/bind9?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0696.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.6.1.dfsg.P1-1"
}
]
}
],
"package": {
"name": "bind9",
"purl": "pkg:deb/debian/bind9?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0696.json"
},
"ecosystem_specific": {
"urgency": "high"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.6.1.dfsg.P1-1"
}
]
}
],
"package": {
"name": "bind9",
"purl": "pkg:deb/debian/bind9?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-0696.json"
},
"ecosystem_specific": {
"urgency": "high"
}
}
],
"modified": "2026-10-23T17:47:29.989465302Z",
"provider": "osv",
"upstream": [
"CVE-2009-0696"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2009-0696"
]
},
"related_cves": [
{
"value": "CVE-2009-0696",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 417265,
"published_at": "2009-07-29T17:30:00.92+00:00"
}