AlmaLinux 8 : redis:6 (ALSA-2025:7686)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2025:7686 advisory. redis: Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client CVE-2025-21605 Tenable has extracted the preceding...

ALSA-2025:7509 Important: valkey security update

Valkey is an advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing to a list; computing s...

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...