Skip to content
OpenAdvisories
High RHSA-2026:26540 3 CVEs

Red Hat Security Advisory: valkey security update

Published Jun 18, 2026 · Updated Oct 7, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 valkey 0:8.0.9-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 valkey-debuginfo 0:8.0.9-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 valkey-debugsource 0:8.0.9-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 valkey-devel 0:8.0.9-1.el10_0

Vulnerabilities 3

  • High 7.7
    CVE-2026-23479 Public exploit

    redis-server use-after-free in unblock client flow may allow remote code execution

    Redis is an in-memory data structure store. In redis-server from 7.2.0 until 8.6.3, the unblock client flow does not handle an error return from `processCommandAndResetClient` when re-executing a blocked command. If a blocked client is evicted during this flo…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • High 7.7
    CVE-2026-25243 Public exploit

    redis-server RESTORE invalid memory access may allow remote code execution

    Redis is an in-memory data structure store. In versions of redis-server up to 8.6.3, the RESTORE command does not properly validate serialized values. An authenticated attacker with permission to execute RESTORE can supply a crafted serialized payload that tr…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine
  • Medium 6.1
    CVE-2026-23631 Public exploit

    redis-server Lua use-after-free may allow remote code execution

    Redis is an in-memory data structure store. In all versions of redis-server with Lua scripting, an authenticated attacker can exploit the master-replica synchronization mechanism to trigger a use-after-free on replicas where replica-read-only is disabled or c…

    Redis Redis redis redis Debian Ubuntu Azure Linux Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2466780
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2466788
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2466828
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26540.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-23479
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-23479
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-23479
  • article
    https://github.com/redis/redis/releases/tag/8.6.3
  • article
    https://github.com/redis/redis/security/advisories/GHSA-93m2-935m-8rj3
  • report
    https://access.redhat.com/security/cve/CVE-2026-23631
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-23631
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-23631
  • article
    https://github.com/redis/redis/security/advisories/GHSA-8ghh-qpmp-7826
  • report
    https://access.redhat.com/security/cve/CVE-2026-25243
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-25243
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-25243
  • article
    https://github.com/redis/redis/security/advisories/GHSA-c8h9-259x-jff4