Description
An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | pdns | 4.4.0-1 | — |
| Debian 13 | pdns | 4.4.0-1 | — |
| Debian 12 | pdns | 4.4.0-1 | — |
Advisories 1
- WID-SEC-2025-0058 PowerDNS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 14, 2025