DEBIAN-CVE-2023-4236

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Source
https://security-tracker.debian.org/tracker/CVE-2023-4236
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-4236.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2023-4236
Upstream
Published
2023-09-20T13:15:12Z
Modified
2025-09-25T23:28:45.956483Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A flaw in the networking code handling DNS-over-TLS queries may cause named to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

References

Affected packages

Debian:12 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.18.19-1~deb12u1

Affected versions

1:9.*

1:9.18.12-1
1:9.18.13-1
1:9.18.16-1~deb12u1~bpo11+1
1:9.18.16-1~deb12u1
1:9.18.16-1
1:9.18.19-1~deb12u1~bpo11+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.19.17-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / bind9

Package

Name
bind9
Purl
pkg:deb/debian/bind9?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:9.19.17-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}