# CVE-2019-19330: haproxy: The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications....

CVE-2019-19330 is fixed in 2 products on 1 platform, first by haproxy 1.8.8-1ubuntu0.9, released November 27, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-19330
- Priority: High
- CVSS: 9.8 (Moderate)
- EPSS: 0.0403
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 27, 2019

## Description

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications.  The following packages have been upgraded to a later upstream version: haproxy (1.8.23). (BZ#1774745)  Security Fix(es):  * haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated "chunked" value (CVE-2019-18277)  * haproxy: HTTP/2 implementation vulnerable to intermediary encapsulation attacks (CVE-2019-19330)  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 | haproxy RHEL 8 | 0:1.8.23-3.el8 | [RHSA-2020:1725](https://patchblox.com/security/data/fix/linux/rhsa-2020-1725.md) | Apr 28, 2020 |
| Linux | haproxy Ubuntu 18.04.6 LTS (bionic) | 1.8.8-1ubuntu0.9 | [haproxy 1.8.8-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-haproxy-1.8.8-1ubuntu0.9.md) | Nov 27, 2019 |
| Linux | haproxy ol 8 | 0:1.8.23-3.el8 | [ELSA-2020-1725](https://patchblox.com/security/data/fix/linux/elsa-2020-1725.md) | May 5, 2020 |
| Linux | vim-haproxy Ubuntu 18.04.6 LTS (bionic) | 1.8.8-1ubuntu0.9 | [vim-haproxy 1.8.8-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-vim-haproxy-1.8.8-1ubuntu0.9.md) | Nov 27, 2019 |

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