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Red Hat Product Errata RHSA-2025:4788 - Security Advisory
Issued:
2025-05-12
Updated:
2025-05-12

RHSA-2025:4788 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: redis 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 redis is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

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: Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client (CVE-2025-21605)

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 9.4 x86_64
  • Red Hat Enterprise Linux Server - AUS 9.4 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
  • Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
  • Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x

Fixes

  • BZ - 2361883 - CVE-2025-21605 redis: Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client

CVEs

  • CVE-2025-21605

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 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
x86_64
redis-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 5e2f3e295ac0c0a2f3704d618026020da5f2a0ee1ffe0ebee48f52ce51bda0e3
redis-debuginfo-6.2.7-1.el9_4.2.i686.rpm SHA-256: 046e6f03a4e85470ad75dcdd0f6ade14453cc3284ac20452dc4d365e5eb88802
redis-debuginfo-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: fd732f052e90c2dc5158ec6452ee0fb1e4ce4a36f0eed0d2f44380253a8ae73b
redis-debugsource-6.2.7-1.el9_4.2.i686.rpm SHA-256: 7530e134747e18f559912bfc75745753a0cfd141be714434392e11300aa55a11
redis-debugsource-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 839bc77bdda2dfab026b93fe3e7177fc4b2da69cb4ba557d95e6ae796606f268
redis-devel-6.2.7-1.el9_4.2.i686.rpm SHA-256: e7d2391ef77c86708a272c7066bc7471da615aa17861ca832d26904ebdc2e7a3
redis-devel-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 3964bd02ee1d29ee1b0ea50577e5b7134aa4a7cf201bb63eda013d8026f9a973
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux Server - AUS 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
x86_64
redis-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 5e2f3e295ac0c0a2f3704d618026020da5f2a0ee1ffe0ebee48f52ce51bda0e3
redis-debuginfo-6.2.7-1.el9_4.2.i686.rpm SHA-256: 046e6f03a4e85470ad75dcdd0f6ade14453cc3284ac20452dc4d365e5eb88802
redis-debuginfo-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: fd732f052e90c2dc5158ec6452ee0fb1e4ce4a36f0eed0d2f44380253a8ae73b
redis-debugsource-6.2.7-1.el9_4.2.i686.rpm SHA-256: 7530e134747e18f559912bfc75745753a0cfd141be714434392e11300aa55a11
redis-debugsource-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 839bc77bdda2dfab026b93fe3e7177fc4b2da69cb4ba557d95e6ae796606f268
redis-devel-6.2.7-1.el9_4.2.i686.rpm SHA-256: e7d2391ef77c86708a272c7066bc7471da615aa17861ca832d26904ebdc2e7a3
redis-devel-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 3964bd02ee1d29ee1b0ea50577e5b7134aa4a7cf201bb63eda013d8026f9a973
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
s390x
redis-6.2.7-1.el9_4.2.s390x.rpm SHA-256: cbb9091970bbe179f8585deb14f2e15a2b95f048aa54256098666d9a26e6b6ac
redis-debuginfo-6.2.7-1.el9_4.2.s390x.rpm SHA-256: c6007b48c70d4b9161eade876f42f25851fd36111f8022e5eee295b8f44287e0
redis-debugsource-6.2.7-1.el9_4.2.s390x.rpm SHA-256: 91179b17c73b8d3060513754219b96b63fdeb3909eca472c6eb4dbbc441cdffe
redis-devel-6.2.7-1.el9_4.2.s390x.rpm SHA-256: 8131029d1ec1d7d788434c37d1f9db51a3fadbe407a7add76eb9b6dab8827f54
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
ppc64le
redis-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: fe88446c9a865c9183fb309d82c856ba20da751d067330bf7c8823c58d093096
redis-debuginfo-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: 53e13653aeb11c8ace4467b6a8dfe8b1cf5c360732b08046886533d1723a52a0
redis-debugsource-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: b99d83b8c7f62a6d5dfa0af5599bf4ce570bac0c89a090d812546e57fd391c9b
redis-devel-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: fdb211e209ea74867bc9d68787afe0898389fa572b2eb82860d7dc7a88acd4ca
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
aarch64
redis-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: f12d1905be50b704b56eb94dc7b984f9845a03bbf127d001fec711610c670f7b
redis-debuginfo-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 22351f1fc8a36ffd4b480f1bbc5b334504813ae73734194817f0733d65f5580f
redis-debugsource-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 96829db6039f1c26df7ff36174fd94d056fdf340e08b759f9f0fec26f691c82b
redis-devel-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 1c30698a36ff6a268d23afb29adee1a236229b5c36225544ede7f9057ef06475
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
ppc64le
redis-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: fe88446c9a865c9183fb309d82c856ba20da751d067330bf7c8823c58d093096
redis-debuginfo-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: 53e13653aeb11c8ace4467b6a8dfe8b1cf5c360732b08046886533d1723a52a0
redis-debugsource-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: b99d83b8c7f62a6d5dfa0af5599bf4ce570bac0c89a090d812546e57fd391c9b
redis-devel-6.2.7-1.el9_4.2.ppc64le.rpm SHA-256: fdb211e209ea74867bc9d68787afe0898389fa572b2eb82860d7dc7a88acd4ca
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
x86_64
redis-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 5e2f3e295ac0c0a2f3704d618026020da5f2a0ee1ffe0ebee48f52ce51bda0e3
redis-debuginfo-6.2.7-1.el9_4.2.i686.rpm SHA-256: 046e6f03a4e85470ad75dcdd0f6ade14453cc3284ac20452dc4d365e5eb88802
redis-debuginfo-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: fd732f052e90c2dc5158ec6452ee0fb1e4ce4a36f0eed0d2f44380253a8ae73b
redis-debugsource-6.2.7-1.el9_4.2.i686.rpm SHA-256: 7530e134747e18f559912bfc75745753a0cfd141be714434392e11300aa55a11
redis-debugsource-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 839bc77bdda2dfab026b93fe3e7177fc4b2da69cb4ba557d95e6ae796606f268
redis-devel-6.2.7-1.el9_4.2.i686.rpm SHA-256: e7d2391ef77c86708a272c7066bc7471da615aa17861ca832d26904ebdc2e7a3
redis-devel-6.2.7-1.el9_4.2.x86_64.rpm SHA-256: 3964bd02ee1d29ee1b0ea50577e5b7134aa4a7cf201bb63eda013d8026f9a973
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
aarch64
redis-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: f12d1905be50b704b56eb94dc7b984f9845a03bbf127d001fec711610c670f7b
redis-debuginfo-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 22351f1fc8a36ffd4b480f1bbc5b334504813ae73734194817f0733d65f5580f
redis-debugsource-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 96829db6039f1c26df7ff36174fd94d056fdf340e08b759f9f0fec26f691c82b
redis-devel-6.2.7-1.el9_4.2.aarch64.rpm SHA-256: 1c30698a36ff6a268d23afb29adee1a236229b5c36225544ede7f9057ef06475
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4

SRPM
redis-6.2.7-1.el9_4.2.src.rpm SHA-256: b4961f84c0f7f3f0ad937f98f50aca751c3c3746c5721699ffe56d4ebdd3b28e
s390x
redis-6.2.7-1.el9_4.2.s390x.rpm SHA-256: cbb9091970bbe179f8585deb14f2e15a2b95f048aa54256098666d9a26e6b6ac
redis-debuginfo-6.2.7-1.el9_4.2.s390x.rpm SHA-256: c6007b48c70d4b9161eade876f42f25851fd36111f8022e5eee295b8f44287e0
redis-debugsource-6.2.7-1.el9_4.2.s390x.rpm SHA-256: 91179b17c73b8d3060513754219b96b63fdeb3909eca472c6eb4dbbc441cdffe
redis-devel-6.2.7-1.el9_4.2.s390x.rpm SHA-256: 8131029d1ec1d7d788434c37d1f9db51a3fadbe407a7add76eb9b6dab8827f54
redis-doc-6.2.7-1.el9_4.2.noarch.rpm SHA-256: 2ddfba8f5af2ea7e2a5bb6d68388a1fecb6053d06bb228837a65205a33c9c972

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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