BIT-REDIS-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

Redis is an open source, in-memory database that persists on disk. In versions starting at 2.6 and prior to 7.4.3, An unauthenticated client can cause unlimited growth of output buffers, until the server runs out of memory or is killed. By default, the Redis configuration does not limit the outpu...

FreeBSD : redis,valkey -- DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client (af8d043f-20df-11f0-b9c5-000c295725e4)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the af8d043f-20df-11f0-b9c5-000c295725e4 advisory. Axel Mierczuk reports: By default, the Redis configuration does not limit the output buffer of normal...

CVE-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

Redis is an open source, in-memory database that persists on disk. In versions starting at 2.6 and prior to 7.4.3, An unauthenticated client can cause unlimited growth of output buffers, until the server runs out of memory or is killed. By default, the Redis configuration does not limit the outpu...

CVE-2025-21605

CVE-2025-21605 affects Redis where, in versions starting at 2.6 and before 7.4.3, an unauthenticated client can cause unlimited growth of the output buffer, exhausting memory and potentially crashing the server. The issue occurs because Redis’ default client-output-buffer-limit does not cap norma...

CVE-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

Redis is an open source, in-memory database that persists on disk. In versions starting at 2.6 and prior to 7.4.3, An unauthenticated client can cause unlimited growth of output buffers, until the server runs out of memory or is killed. By default, the Redis configuration does not limit the outpu...

CVE-2020-27174

In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host...

RUSTSEC-2020-0043 Insufficient size checks in outgoing buffer in ws allows remote attacker to run the process out of memory

Affected versions of this crate did not properly check and cap the growth of the outgoing buffer. This allows a remote attacker to take down the process by growing the buffer of their single connection until the process runs out of memory it can allocate and is killed. The flaw was corrected in t...