# CVE-2019-25033: python3-unbound: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver

CVE-2019-25033 is fixed in 9 products on 1 platform, first by libunbound2 1.6.7-1ubuntu2.4, released April 26, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-25033
- Priority: High
- CVSS: 9.8 (Moderate)
- EPSS: 0.0237
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 26, 2021

## Description

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.   The following packages have been upgraded to a later upstream version: unbound (1.16.2). (BZ#2027735)  Security Fix(es):  * unbound: the novel ghost domain where malicious users to trigger continued resolvability of malicious domain names (CVE-2022-30698)  * unbound: novel ghost domain attack where malicious users to trigger continued resolvability of malicious domain names (CVE-2022-30699)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libunbound2 Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [libunbound2 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libunbound2-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | libunbound8 Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [libunbound8 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | python-unbound Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [python-unbound 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | python-unbound Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [python-unbound 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | python3-unbound RHEL 8 | 0:1.16.2-2.el8 | [RHSA-2022:7622](https://patchblox.com/security/data/fix/linux/rhsa-2022-7622.md) | Nov 8, 2022 |
| Linux | python3-unbound Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [python3-unbound 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-unbound-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | python3-unbound Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [python3-unbound 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-unbound-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | unbound RHEL 8 | 0:1.16.2-2.el8 | [RHSA-2022:7622](https://patchblox.com/security/data/fix/linux/rhsa-2022-7622.md) | Nov 8, 2022 |
| Linux | unbound Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [unbound 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-unbound-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | unbound Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [unbound 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-unbound-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | unbound-anchor Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [unbound-anchor 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-unbound-anchor-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | unbound-anchor Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [unbound-anchor 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-unbound-anchor-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | unbound-devel RHEL 8 | 0:1.16.2-2.el8 | [RHSA-2022:7622](https://patchblox.com/security/data/fix/linux/rhsa-2022-7622.md) | Nov 8, 2022 |
| Linux | unbound-host Ubuntu 18.04.6 LTS (bionic) | 1.6.7-1ubuntu2.4 | [unbound-host 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-unbound-host-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 |
| Linux | unbound-host Ubuntu 20.04 LTS (focal) | 1.9.4-2ubuntu1.2 | [unbound-host 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-unbound-host-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 |
| Linux | unbound-libs RHEL 8 | 0:1.16.2-2.el8 | [RHSA-2022:7622](https://patchblox.com/security/data/fix/linux/rhsa-2022-7622.md) | Nov 8, 2022 |

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