CVE-2021-43826
- Source
- https://cve.org/CVERecord?id=CVE-2021-43826
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-43826.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-43826
- Aliases
-
- BIT-envoy-2021-43826
- GHSA-cmx3-fvgf-83mf
- Downstream
- Published
- 2022-02-22T23:15:10.957Z
- Modified
- 2026-05-18T05:55:39.473223746Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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. - References
Affected packages
Git / github.com/envoyproxy/envoy
Affected ranges
- Type
- GIT
- Repo
- https://github.com/envoyproxy/envoy
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedFixedIntroducedFixed
- Database specific
{ "extracted_events": [ { "introduced": "0" }, { "fixed": "1.18.6" }, { "introduced": "1.19.0" }, { "fixed": "1.19.3" }, { "introduced": "1.20.0" }, { "fixed": "1.20.2" }, { "introduced": "1.21.0" }, { "fixed": "1.21.1" } ], "source": "CPE_FIELD", "cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*" }