(RHSA-2019:1436) Moderate: rh-haproxy18-haproxy security, bug fix, and enhancement update

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments.

The following packages have been upgraded to a later upstream version: rh-haproxy18-haproxy (1.8.17). (BZ#1660514)

Security Fix(es):

• haproxy: Infinite recursion via crafted packet allows stack exhaustion and denial of service (CVE-2018-20103)

• haproxy: Information disclosure in check_request_for_cacheability function in proto_http.c (CVE-2018-11469)

• haproxy: Out-of-bounds read in dns.c:dns_validate_dns_response() allows for memory disclosure (CVE-2018-20102)

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.

Bug Fix(es):

• ALPN is not enabled due to old OpenSSL dependancy (BZ#1595865)

• HAProxy 1.8: Seamless reload does not work with send-/accept-proxy (BZ#1649041)

Enhancement(s):

• RFE : Haproxy does not resolve ipv6 resolvable hostnames in the backend section. (BZ#1575585)

Additional Changes:

For detailed information on changes in this release, see the Red Hat Software Collections 3.3 Release Notes linked from the References section.