CVEvulnerability
CVE-2023-4236
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-09-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-617
Description
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.
Affected configurations
• isc bind (>= 9.18.0 < 9.18.18)
• isc bind 9.18.11
• isc bind 9.18.18
• fedoraproject fedora 37
• fedoraproject fedora 38
• fedoraproject fedora 39
• debian debian linux 10.0
• debian debian linux 11.0
• netapp h300s firmware
• netapp h500s firmware
• netapp h700s firmware
• netapp h410s firmware
• netapp h410c firmware
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- http://www.openwall.com/lists/oss-security/2023/09/20/2 Mailing List, Third Party Advisory
- https://kb.isc.org/docs/cve-2023-4236 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231013-0004/ Third Party Advisory
- https://www.debian.org/security/2023/dsa-5504 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/09/20/2 Mailing List, Third Party Advisory
- https://kb.isc.org/docs/cve-2023-4236 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/IPJLLTJCSDJJII7IIZPLTBQNWP7MZH7F/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U35OARLQCPMVCBBPHWBXY5M6XJLD2TZ5/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/VSK5V4W4OHPM3JTJGWAQD6CZW7SFD75B/ Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231013-0004/ Third Party Advisory
- https://www.debian.org/security/2023/dsa-5504 Third Party Advisory