CVE-2025-27421

Abacus is a highly scalable and stateless counting API. A critical goroutine leak vulnerability has been identified in the Abacus server's Server-Sent Events SSE implementation. The issue occurs when clients disconnect from the /stream endpoint, as the server fails to properly clean up resources...

CVE-2025-27421

CVE-2025-27421 describes a goroutine leak in Abacus SSE: when clients disconnect from /stream, the server fails to clean up resources and terminate goroutines, causing resource exhaustion and eventual inability to accept new SSE connections with high memory usage. The fixed version is Abacus v1.4...

CVE-2025-27421 Goroutine Leak in Abacus SSE Implementation

Abacus is a highly scalable and stateless counting API. A critical goroutine leak vulnerability has been identified in the Abacus server's Server-Sent Events SSE implementation. The issue occurs when clients disconnect from the /stream endpoint, as the server fails to properly clean up resources...

CVE-2025-27421 Goroutine Leak in Abacus SSE Implementation

Abacus is a highly scalable and stateless counting API. A critical goroutine leak vulnerability has been identified in the Abacus server's Server-Sent Events SSE implementation. The issue occurs when clients disconnect from the /stream endpoint, as the server fails to properly clean up resources...