CVE-2021-43826
Summary
| CVE | CVE-2021-43826 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2022-02-22 23:15:00 UTC |
| Updated | 2022-03-02 15:23:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-416
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Envoyproxy | Envoy | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| CVE-2021-43826 · envoyproxy/envoy@ce0ae30 · GitHub | MISC | github.com | |
| Use-after-free when tunneling TCP over HTTP, if downstream disconnects during upstream connection establishment · Advisory · envoyproxy/envoy · GitHub | CONFIRM | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.