Red Hat Product Errata RHSA-2026:27787 - Security Advisory Issued: 2026-06-22 Updated: 2026-06-22 RHSA-2026:27787 - Security Advisory Overview Updated Packages Synopsis Important: redis:6 security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for the redis:6 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description 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. Security Fix(es): redis: RESTORE invalid memory access may allow remote code execution (CVE-2026-25243) For 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 x86_64 Red Hat Enterprise Linux Server - AUS 8.4 x86_64 Fixes BZ - 2466828 - CVE-2026-25243 redis: RESTORE invalid memory access may allow remote code execution CVEs CVE-2026-25243 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.4 SRPM redis-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.src.rpm SHA-256: 4414927b3d4243ea3e9e24aee87ccb9e983bffd096e203f6ee4cb7942c80d216 x86_64 redis-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: 4d7d18552d9f184f1bc1fc05056d38aedd78de67bef5f494dc15c9e0e33da6d3 redis-debuginfo-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: c610907ab0110d8bd7df19d6ddedb1881f93381030db0854780a11226ab7b10b redis-debugsource-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: e53e269d73579b9e0451d6738c46f1099371307e2e47c157d7e082395c4d73f6 redis-devel-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: 30c5586fafdb459463eaf3c84d90b60e64a6c948eafdddf8ef368bddf9c7f896 redis-doc-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.noarch.rpm SHA-256: 2cf140fb01de9cba413fa4809c699dee9f5c0a502ee04a255538006126ed816e Red Hat Enterprise Linux Server - AUS 8.4 SRPM redis-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.src.rpm SHA-256: 4414927b3d4243ea3e9e24aee87ccb9e983bffd096e203f6ee4cb7942c80d216 x86_64 redis-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: 4d7d18552d9f184f1bc1fc05056d38aedd78de67bef5f494dc15c9e0e33da6d3 redis-debuginfo-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: c610907ab0110d8bd7df19d6ddedb1881f93381030db0854780a11226ab7b10b redis-debugsource-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: e53e269d73579b9e0451d6738c46f1099371307e2e47c157d7e082395c4d73f6 redis-devel-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.x86_64.rpm SHA-256: 30c5586fafdb459463eaf3c84d90b60e64a6c948eafdddf8ef368bddf9c7f896 redis-doc-6.0.9-5.module+el8.4.0+24416+a7ffbc5f.6.noarch.rpm SHA-256: 2cf140fb01de9cba413fa4809c699dee9f5c0a502ee04a255538006126ed816e The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .