{"id":"RLSA-2025:7438","summary":"Important: redis security update","details":"Redis 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. For performance, Redis works with an in-memory data set. You can persist it either by dumping the data set to disk every once in a while, or by appending each command to a log.\n\nSecurity Fix(es):\n\n* redis: Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client (CVE-2025-21605)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-03-11T06:40:10.300605Z","published":"2025-10-04T00:11:30.916420Z","upstream":["CVE-2025-21605"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:7438"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2361883"}],"affected":[{"package":{"name":"redis","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/redis?distro=rocky-linux-9-6&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.2.18-1.el9_6"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:7438.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}