Provide references for CVE-2021-29258.
Where can I find more information about CVE-2021-29258?
References are available at: https://blog.envoyproxy.io, https://github.com/envoyproxy/envoy-setec/pull/230, https://github.com/envoyproxy/envoy/releases/tag/v1.14.0, https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg.