Debian/pdns-recursor: low 3.7
The issue is a DNSSEC validation bypass where wildcard expansion proofs (NSEC/NSEC3 records) are accepted without signature validation when the wildcard answer is a CNAME or DNAME record.
Action: Upgrade pdns-recursor to 5.2.12-0+deb13u1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.2.12-0+deb13u1 | - |
Fixed versions
| 5.2.12-0+deb13u1 |
Sources
- osv: DEBIAN-CVE-2026-52686#Debian:13/pdns-recursor
- https://security-tracker.debian.org/tracker/CVE-2026-52686
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