VDB
DEBIAN-CVE-2023-4236
DEBIAN-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 v3.1
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 |
|---|---|---|
| Debian:13 | bind9 | 0, 0, 0 |
| Debian:12 | bind9 | 1:9.18.13-1, 1:9.18.16-1~deb12u1, 1:9.18.16-1~deb12u1~bpo11+1 |
| Debian:14 | bind9 | 0, 0, 0 |
Timeline
- Sep 20, 2023 CVE Published
- Apr 28, 2026 CVE Updated