Alpine/dnsdist: high 8.2
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
Action: Upgrade dnsdist to 2.0.4-r0 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.9.0 | 2.0.4-r0 | - |
Fixed versions
| 2.0.4-r0 |
Sources
- osv: ALPINE-CVE-2026-33602#Alpine:v3.24/dnsdist
- https://security.alpinelinux.org/vuln/CVE-2026-33602
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