CVE-2026-50572
Błąd w Envoy powoduje awarię procesu przez użycie po zwolnieniu pamięci.
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 5.9 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 0.7% |
| Opublikowano (NVD) | 2026-09-21 20:17:25 UTC |
| Ostatnia modyfikacja (NVD) | 2026-10-05 14:12:02 UTC |
- https://github.com/envoyproxy/envoy/commit/8dacef38337aeffd62866b5c5910104b63b33db8 ([email protected]) [Patch]
- https://github.com/envoyproxy/envoy/commit/a49085623654e27e9ad6298928557644b849d7ce ([email protected]) [Patch]
- https://github.com/envoyproxy/envoy/commit/c1b29534a294cb0999e99e1fe0de000310165f03 ([email protected]) [Patch]
- https://github.com/envoyproxy/envoy/commit/c524571ffad517ba650d9563f85afa89194e2cfb ([email protected]) [Patch]
- https://github.com/envoyproxy/envoy/releases/tag/v1.36.10 ([email protected]) [Release Notes]
- https://github.com/envoyproxy/envoy/releases/tag/v1.37.6 ([email protected]) [Release Notes]
- https://github.com/envoyproxy/envoy/releases/tag/v1.38.4 ([email protected]) [Release Notes]
- https://github.com/envoyproxy/envoy/releases/tag/v1.39.1 ([email protected]) [Release Notes]
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-q8wp-gf7q-m8cv ([email protected]) [Vendor Advisory]