VDB
ALPINE-CVE-2023-4236
ALPINE-CVE-2023-4236
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.20 | bind | 9.18.0, *, 0 |
| Alpine:v3.19 | bind | 9.18.18-r0, 9.10.0_p2-r0, 9.10.0_p2-r1 |
| Alpine:v3.21 | bind | *, *, 9.16.20-r3 |
| Alpine:v3.17 | bind | 9.9.5-r0, 0, 9.10.0-r0 |
| Alpine:v3.22 | bind | 9.18.0, 0, 9.10.0-r0 |
| Alpine:v3.23 | bind | 9.10.4, 9.10.4, 9.10.4 |
| Alpine:v3.18 | bind | 9.18.13-r2, 0, 9.10.0-r0 |
| Alpine:v3.24 | bind | 9.18.0, 9.18.0, 9.18.0 |
Timeline
- Sep 20, 2023 CVE Published
- Aug 7, 2026 CVE Updated
- Aug 8, 2026 Distribution Patch