RHSA-2021:2034HighCVSS 8.8

Red Hat Security Advisory: redis:6 security update

Published
May 19, 2021
Last Modified
November 6, 2026

🔗 CVE IDs covered (1)

CVE-2021-29477 →

📋 Description

CVE-2021-29477 — redis: Integer overflow via STRALGO LCS command

🎯 Affected products19

  • Red Hat Enterprise Linux AppStream (v. 8)
  • redis-0:6.0.9-3.module+el8.4.0+10984+ed187465.aarch64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-0:6.0.9-3.module+el8.4.0+10984+ed187465.ppc64le (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-0:6.0.9-3.module+el8.4.0+10984+ed187465.s390x (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-0:6.0.9-3.module+el8.4.0+10984+ed187465.src (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-0:6.0.9-3.module+el8.4.0+10984+ed187465.x86_64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debuginfo-0:6.0.9-3.module+el8.4.0+10984+ed187465.aarch64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debuginfo-0:6.0.9-3.module+el8.4.0+10984+ed187465.ppc64le (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debuginfo-0:6.0.9-3.module+el8.4.0+10984+ed187465.s390x (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debuginfo-0:6.0.9-3.module+el8.4.0+10984+ed187465.x86_64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debugsource-0:6.0.9-3.module+el8.4.0+10984+ed187465.aarch64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debugsource-0:6.0.9-3.module+el8.4.0+10984+ed187465.ppc64le (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debugsource-0:6.0.9-3.module+el8.4.0+10984+ed187465.s390x (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-debugsource-0:6.0.9-3.module+el8.4.0+10984+ed187465.x86_64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-devel-0:6.0.9-3.module+el8.4.0+10984+ed187465.aarch64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-devel-0:6.0.9-3.module+el8.4.0+10984+ed187465.ppc64le (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-devel-0:6.0.9-3.module+el8.4.0+10984+ed187465.s390x (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-devel-0:6.0.9-3.module+el8.4.0+10984+ed187465.x86_64 (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)
  • redis-doc-0:6.0.9-3.module+el8.4.0+10984+ed187465.noarch (redis:6) as a component of Red Hat Enterprise Linux AppStream (v. 8)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: The flaw can be mitigated by disallowing usage of the STRALGO LCS command via ACL configuration. Please see https://redis.io/topics/acl for more information on how to do this.

🔗 References (4)