HighFix available
bind — security advisory
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
- Products
- bind
- Affected versions
- Not specified
- Fixed versions
- 9.10.8_p1-r0, 9.11.4_p1-r0, 9.12.2_p1-r0
- CVEs
- CVE-2018-5740
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:00 UTC · Revision 1
Source evidence
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
osv:ALPINE-CVE-2018-5740
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.10.8_p1-r0
bind
Fixed versions: 9.11.4_p1-r0
bind
Fixed versions: 9.11.4_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
bind
Fixed versions: 9.12.2_p1-r0
Complete source record
{
"id": "238aa8a656da0dd9596735acac6ba1fd7c22075c5693f5dea9039316289c3464",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-5740",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-5740",
"summary": "\"deny-answer-aliases\" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.",
"evidence": "osv:ALPINE-CVE-2018-5740",
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{
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{
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],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2018-5740",
"aliases": [
"ALPINE-CVE-2018-5740"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
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],
"package": {
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},
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{
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],
"package": {
"name": "bind",
"purl": "pkg:apk/alpine/bind?arch=source",
"ecosystem": "Alpine:v3.9"
},
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}
],
"modified": "2026-10-23T17:17:55.279338638Z",
"provider": "osv",
"upstream": [
"CVE-2018-5740"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-5740"
]
},
"related_cves": [
{
"value": "CVE-2018-5740",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415207,
"published_at": "2019-01-16T20:29:01.017+00:00"
}