Debian/pdns-recursor: medium 5.3
ECS zero scoped answers are stored in the packet cache while they should not. This impacts only configurations that have ECS enabled;
Action: Upgrade pdns-recursor to 5.4.3-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.4.3-1 | - |
Fixed versions
| 5.4.3-1 |
Sources
- osv: DEBIAN-CVE-2026-40012#Debian:14/pdns-recursor
- https://security-tracker.debian.org/tracker/CVE-2026-40012
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