| Package | Affected versions | Patched versions |
|---|---|---|
| envoy | ≥ 1.23.0, < 1.23.12≥ 1.24.0, < 1.24.10≥ 1.25.0, < 1.25.9≥ 1.26.0, < 1.26.4 | 1.23.121.24.101.25.91.26.4 |
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12, the CORS filter will segfault and crash Envoy when the `origin` header is removed and deleted between `decodeHeaders`and `encodeHeaders`. Versions 1.27.0, 1.26.4, 1.25.9, 1.24.10, and 1.23.12 have a fix for this issue. As a workaround, do not remove the `origin` header in the Envoy configuration.
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