CVE-2019-18277

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

CVE-2019-18277 is fixed in 2 products on 1 platform, first by haproxy 1.8.8-1ubuntu0.7, released October 23, 2019. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.1007
95th percentile

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

ProductFixed inFixReleased
Linux
haproxy · RHEL 8 0:1.8.23-3.el8 RHSA-2020:1725 Apr 28, 2020
haproxy · Ubuntu 18.04.6 LTS (bionic) 1.8.8-1ubuntu0.7 haproxy 1.8.8-1ubuntu0.7 Oct 23, 2019
haproxy · ol 8 0:1.8.23-3.el8 ELSA-2020-1725 May 5, 2020
vim-haproxy · Ubuntu 18.04.6 LTS (bionic) 1.8.8-1ubuntu0.7 vim-haproxy 1.8.8-1ubuntu0.7 Oct 23, 2019

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