CVE-2026-73549

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...

CVE-2026-73549

CVE-2026-73549 is an incomplete fix for CVE-2026-26310 in Envoy (versions prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1). The Utility::copyInternetAddressAndPort and QUIC client-address paths reconstruct scoped IPv6 addresses via addressAsString and Ipv6Instance, producing a string with a percent ...

CVE-2026-73549 Envoy - Incomplete fix for CVE-2026-26310: copyInternetAddressAndPort crashes on scoped IPv6 addresses in ORIGINAL_DST clusters

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...