(RHSA-2021:3487) Moderate: Red Hat OpenStack Platform 16.2 (etcd) security update

A highly-available key value store for shared configuration

Security Fix(es):

• net/http: panic in ReadRequest and ReadResponse when reading a very large
  header (CVE-2021-31525)

• golang: net: lookup functions may return invalid host names (CVE-2021-33195)

• golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

• golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page listed in the References section.