Debian/unbound: medium 5.3
NLnet Labs Unbound up to and including version 1.25.0 has a vulnerability when handling replies with very large RRsets that Unbound needs to perform name compression for. Malicious upstream responses
Action: Upgrade unbound to 1.22.0-2+deb13u3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.22.0-2+deb13u3 | - |
Fixed versions
| 1.22.0-2+deb13u3 |
Sources
- osv: DEBIAN-CVE-2026-44390#Debian:13/unbound
- https://security-tracker.debian.org/tracker/CVE-2026-44390
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