Description
An issue has been found in PowerDNS Recursor versions after 4.1.3 before 4.1.9 where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Power DNS | pdns-recursor | versions after 4.1.3 before 4.1.9 | — |
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-recursor | 4.1.9-1 | — |
| Debian 13 | pdns-recursor | 4.1.9-1 | — |
| Debian 12 | pdns-recursor | 4.1.9-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | pdns-recursor | No fix yet | — |
| Ubuntu Pro 16.04 LTS | pdns-recursor | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 SP1 | pdns-recursor | 4.1.10-16.1 | openSUSE-SU-2019:0131-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | pdns-recursor | 4.5.5-1.3 | openSUSE-SU-2024:11157-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.23 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.22 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.21 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.20 | pdns-recursor | 4.1.9-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.18 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.17 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.16 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.15 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.14 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.13 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.12 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.11 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.10 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.9 | pdns-recursor | 4.1.9-r0 | — |
| Alpine v3.8 | pdns-recursor | 4.1.9-r0 | — |
Advisories 2
- openSUSE-SU-2019:0131-1 Security update for pdns-recursor SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11157-1 pdns-recursor-4.5.5-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026