UnratedFix available
bind9 — security advisory
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.
- Products
- bind9
- Affected versions
- Not specified
- Fixed versions
- 1:9.4.1-P1-1
- CVEs
- CVE-2007-2926
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:47 UTC · Revision 1
Source evidence
ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.
osv:DEBIAN-CVE-2007-2926
bind9
Fixed versions: 1:9.4.1-P1-1
bind9
Fixed versions: 1:9.4.1-P1-1
bind9
Fixed versions: 1:9.4.1-P1-1
Complete source record
{
"id": "ca59905e1d5dd5133063095cdaa333ecc3c840f234347f51bd174ff0515ab9c2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2007-2926",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2007-2926",
"summary": "ISC BIND 9 through 9.5.0a5 uses a weak random number generator during generation of DNS query ids when answering resolver questions or sending NOTIFY messages to slave name servers, which makes it easier for remote attackers to guess the next query id and perform DNS cache poisoning.",
"evidence": "osv:DEBIAN-CVE-2007-2926",
"products": [
{
"name": {
"value": "bind9",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.4.1-P1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind9",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.4.1-P1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bind9",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:9.4.1-P1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2007-2926",
"aliases": [
"DEBIAN-CVE-2007-2926"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.4.1-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-2007-2926.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.4.1-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-2007-2926.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:9.4.1-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-2007-2926.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-21T17:47:40.492950925Z",
"provider": "osv",
"upstream": [
"CVE-2007-2926"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2007-2926"
]
},
"related_cves": [
{
"value": "CVE-2007-2926",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 398460,
"published_at": "2007-07-24T17:30:00+00:00"
}