# CVE-2022-27227: pdns: In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor befor...

CVE-2022-27227 is fixed in 20 products on 1 platform, first by pdns-backend-bind 4.1.1-1ubuntu0.1~esm1, released March 25, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-27227
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0519
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 25, 2022

## Description

In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | pdns Debian 12.15 (bookworm) | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns Debian 13.5 (trixie) | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns Debian 14 | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns-backend-bind Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-bind 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-bind-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-bind Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-bind 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-bind-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-bind Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-bind 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-bind-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-geoip Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-geoip 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-geoip-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-geoip Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-geoip 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-geoip-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-geoip Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-geoip 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-geoip-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-ldap Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-ldap 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-ldap-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-ldap Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-ldap 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-ldap-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-ldap Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-ldap 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-ldap-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-lmdb Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-lmdb 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-lmdb-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-lua Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-lua 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-lua-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-lua Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-lua 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-lua-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-lua2 Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-lua2 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-lua2-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-mydns Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-mydns 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-mydns-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-mydns Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-mydns 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-mydns-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-mysql Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-mysql 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-mysql-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-mysql Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-mysql 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-mysql-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-mysql Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-mysql 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-mysql-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-odbc Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-odbc 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-odbc-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-odbc Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-odbc 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-odbc-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-odbc Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-odbc 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-odbc-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-opendbx Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-opendbx 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-opendbx-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pgsql Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-pgsql 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-pgsql-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pgsql Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-pgsql 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-pgsql-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pgsql Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-pgsql 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-pgsql-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pipe Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-pipe 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-pipe-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pipe Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-pipe 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-pipe-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-pipe Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-pipe 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-pipe-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-remote Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-remote 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-remote-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-remote Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-remote 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-remote-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-remote Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-remote 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-remote-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-sqlite3 Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-sqlite3 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-sqlite3-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-sqlite3 Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-sqlite3 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-sqlite3-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-sqlite3 Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-sqlite3 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-sqlite3-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-tinydns Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-backend-tinydns 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-backend-tinydns-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-tinydns Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-backend-tinydns 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-backend-tinydns-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-backend-tinydns Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-backend-tinydns 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-backend-tinydns-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-ixfrdist Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-ixfrdist 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-ixfrdist-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-ixfrdist Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-ixfrdist 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-ixfrdist-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-recursor Debian 12.15 (bookworm) | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns-recursor Debian 13.5 (trixie) | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns-recursor Debian 14 | 4.6.1-1 | [DEBIAN-CVE-2022-27227](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27227.md) | Mar 25, 2022 |
| Linux | pdns-recursor Ubuntu 18.04.6 LTS (bionic) | 4.1.1-2ubuntu0.1~esm1 | [pdns-recursor 4.1.1-2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-recursor-4.1.1-2ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-recursor Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-recursor 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-recursor-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-recursor Ubuntu 22.04.1 LTS (jammy) | 4.6.0-1ubuntu1+esm1 | [pdns-recursor 4.6.0-1ubuntu1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-recursor-4.6.0-1ubuntu1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-server Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-server 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-server-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-server Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-server 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-server-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-server Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-server 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-server-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-tools Ubuntu 18.04.6 LTS (bionic) | 4.1.1-1ubuntu0.1~esm1 | [pdns-tools 4.1.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pdns-tools-4.1.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-tools Ubuntu 20.04 LTS (focal) | 4.2.1-1ubuntu0.1~esm1 | [pdns-tools 4.2.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pdns-tools-4.2.1-1ubuntu0.1-esm1.md) | Mar 25, 2022 |
| Linux | pdns-tools Ubuntu 22.04.1 LTS (jammy) | 4.5.3-1ubuntu0.1~esm1 | [pdns-tools 4.5.3-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-pdns-tools-4.5.3-1ubuntu0.1-esm1.md) | Mar 25, 2022 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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