BIT-ENVOY-2026-48706 Envoy Heap Buffer Overflow in TcpStatsdSink

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, a vulnerability exists in Envoy's TCP StatsD sink TcpStatsdSink, where the thread-local flusher buffer can be overflowed by exceptionally long statistic...

CVE-2026-48706

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, a vulnerability exists in Envoy's TCP StatsD sink TcpStatsdSink, where the thread-local flusher buffer can be overflowed by exceptionally long statistic...

CVE-2026-48706

CVE-2026-48706 affects Envoy TCP StatsD sink (TcpStatsdSink). A heap write overflow can occur when processing extremely long statistic names (>16 KiB) due to mismanagement of 16 KiB flush slices during buffer rotation, potentially causing process crash or remote code execution. Affected versio...

CVE-2026-48706 Envoy Heap Buffer Overflow in TcpStatsdSink

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, a vulnerability exists in Envoy's TCP StatsD sink TcpStatsdSink, where the thread-local flusher buffer can be overflowed by exceptionally long statistic...

PT-2026-52891

Name of the Vulnerable Software and Affected Versions Envoy versions 1.34.0 through 1.35.12 Envoy versions 1.36.0 through 1.36.8 Envoy versions 1.37.0 through 1.37.4 Envoy versions 1.38.0 through 1.38.2 Description A heap write overflow exists in the TCP StatsD sink TcpStatsdSink when processing...