CVE-2021-43826 | BDVDB-2026-170551 Detail

Description#

Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions of Envoy a crash occurs when configured for :ref:`upstream tunneling <envoy_v3_api_field_extensions.filters.network.tcp_proxy.v3.TcpProxy.tunneling_config>` and the downstream connection disconnects while the the upstream connection or http/2 stream is still being established. There are no workarounds for this issue. Users are advised to upgrade.

Impact#

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Exploit#

History#

1. Version 12022-02-22Record published in the CVE List.
2. Version 22025-04-23Most recent update recorded in the CVE List.