| CVE-2023-4236 | Date: (C)2023-09-20 (M)2024-04-26 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 7.5 | CVSS Score : |
| Exploit Score: 3.9 | Exploit Score: |
| Impact Score: 3.6 | Impact Score: |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: NETWORK | Access Vector: |
| Attack Complexity: LOW | Access Complexity: |
| Privileges Required: NONE | Authentication: |
| User Interaction: NONE | Confidentiality: |
| Scope: UNCHANGED | Integrity: |
| Confidentiality: NONE | Availability: |
| Integrity: NONE | |
| Availability: HIGH | |
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