HighFix available
bind — security advisory
The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel's configured TCP port is necessary. This issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1.
- Products
- bind
- Affected versions
- Not specified
- Fixed versions
- 9.16.44-r0, 9.18.19-r0
- CVEs
- CVE-2023-3341
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 14:57 UTC · Revision 1
Source evidence
The code that processes control channel messages sent to `named` calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing `named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key; only network access to the control channel's configured TCP port is necessary. This issue affects BIND 9 versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through 9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1.
osv:ALPINE-CVE-2023-3341
bind
Fixed versions: 9.16.44-r0
bind
Fixed versions: 9.16.44-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
bind
Fixed versions: 9.18.19-r0
Complete source record
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"modified": "2026-10-26T17:17:58.625261799Z",
"provider": "osv",
"upstream": [
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"references": [
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"source_id": "core-osv",
"document_id": 454438,
"published_at": "2023-09-20T13:15:11.77+00:00"
}