CVE-2026-61674

Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/outforward/forward.c secureforwardpong copies the server-controlled PONG2 reason into the 32-byte stack buffer msg with memcpy without checking its...

CVE-2026-61674

Fluent Bit (versions 0.11.0 through 5.0.8) contains a remote stack buffer overflow in the out_forward Secure-Forward PONG handler (plugins/out_forward/forward.c, function secure_forward_pong). The server-controlled PONG[2] reason field is copied via memcpy into a fixed 32-byte stack buffer withou...

EUVD-2026-83985

Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/outforward/forward.c secureforwardpong copies the server-controlled PONG2 reason into the 32-byte stack buffer msg with memcpy without checking its...

CVE-2026-61674 Fluent Bit: Remote stack buffer overflow in Fluent Bit `out_forward` Secure-Forward `PONG` handler

Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/outforward/forward.c secureforwardpong copies the server-controlled PONG2 reason into the 32-byte stack buffer msg with memcpy without checking its...

CVE-2026-61674 Fluent Bit: Remote stack buffer overflow in Fluent Bit `out_forward` Secure-Forward `PONG` handler

Fluent Bit is a fast and lightweight logs, metrics, and traces processor for Linux, BSD, macOS, and Windows. From 0.11.0 until 5.0.8, plugins/outforward/forward.c secureforwardpong copies the server-controlled PONG2 reason into the 32-byte stack buffer msg with memcpy without checking its...