CVE-2026-73549

⚪ Do wiadomości

Błąd w Envoy powoduje awarię procesu przy przetwarzaniu adresów IPv6 w niektórych warunkach.

CVSS
5.3
EPSS
0.6%
Exploit
none
Vendor
envoyproxy
Opis źródłowy (NVD)

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 Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses through addressAsString and Ipv6Instance. The string includes a percent scope identifier that inet_pton cannot parse, causing an exception or abort. Kernel-provided scoped IPv6 destinations in ORIGINAL_DST transparent-proxy deployments, and affected QUIC connection paths, can therefore terminate the process. The relevant scope boundary is that the HTTP use_http_header override rejects scoped addresses earlier; the advisory's crash path requires a kernel-provided original destination or the affected QUIC path. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.

brak Brak patcha
Źródła i daty
ŹródłoWartość
NVD – CVSS5.3
CISA KEV (aktywnie wykorzystywane)Nie
FIRST EPSS (prawdopodobieństwo exploita)0.6%
Opublikowano (NVD)2026-09-21 20:17:28 UTC
Ostatnia modyfikacja (NVD)2026-10-05 14:09:22 UTC
Referencje