# CVE-2019-14834: dnsmasq: The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configu...

CVE-2019-14834 is fixed in 4 products on 1 platform, first by RHSA-2020:1715, released April 28, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-14834
- Priority: Routine
- CVSS: 3.7 (Low)
- EPSS: 0.0265
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 7, 2020

## Description

The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.  Security Fix(es):  * dnsmasq: memory leak in the create_helper() function in /src/helper.c (CVE-2019-14834)  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 8.2 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dnsmasq RHEL 8 | 0:2.79-11.el8 | [RHSA-2020:1715](https://patchblox.com/security/data/fix/linux/rhsa-2020-1715.md) | Apr 28, 2020 |
| Linux | dnsmasq Ubuntu 18.04.6 LTS (bionic) | 2.79-1ubuntu0.2 | [dnsmasq 2.79-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dnsmasq-2.79-1ubuntu0.2.md) | Jan 18, 2021 |
| Linux | dnsmasq Ubuntu 20.04 LTS (focal) | 2.80-1.1ubuntu1.2 | [dnsmasq 2.80-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dnsmasq-2.80-1.1ubuntu1.2.md) | Jan 18, 2021 |
| Linux | dnsmasq ol 8 | 0:2.79-11.el8 | [ELSA-2020-1715](https://patchblox.com/security/data/fix/linux/elsa-2020-1715.md) | May 5, 2020 |
| Linux | dnsmasq-base Ubuntu 18.04.6 LTS (bionic) | 2.79-1ubuntu0.2 | [dnsmasq-base 2.79-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dnsmasq-base-2.79-1ubuntu0.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-base Ubuntu 20.04 LTS (focal) | 2.80-1.1ubuntu1.2 | [dnsmasq-base 2.80-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dnsmasq-base-2.80-1.1ubuntu1.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-base-lua Ubuntu 18.04.6 LTS (bionic) | 2.79-1ubuntu0.2 | [dnsmasq-base-lua 2.79-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dnsmasq-base-lua-2.79-1ubuntu0.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-base-lua Ubuntu 20.04 LTS (focal) | 2.80-1.1ubuntu1.2 | [dnsmasq-base-lua 2.80-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dnsmasq-base-lua-2.80-1.1ubuntu1.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-utils RHEL 8 | 0:2.79-11.el8 | [RHSA-2020:1715](https://patchblox.com/security/data/fix/linux/rhsa-2020-1715.md) | Apr 28, 2020 |
| Linux | dnsmasq-utils Ubuntu 18.04.6 LTS (bionic) | 2.79-1ubuntu0.2 | [dnsmasq-utils 2.79-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dnsmasq-utils-2.79-1ubuntu0.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-utils Ubuntu 20.04 LTS (focal) | 2.80-1.1ubuntu1.2 | [dnsmasq-utils 2.80-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dnsmasq-utils-2.80-1.1ubuntu1.2.md) | Jan 18, 2021 |
| Linux | dnsmasq-utils ol 8 | 0:2.79-11.el8 | [ELSA-2020-1715](https://patchblox.com/security/data/fix/linux/elsa-2020-1715.md) | May 5, 2020 |

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