Issued:: 2026-10-08
Updated:: 2026-10-08

RHSA-2026:79010 - Security Advisory

Overview
Updated Packages

Synopsis

Important: rhc 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 rhc is now available for Red Hat Enterprise Linux 9.6 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

rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management.

Security Fix(es):

google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests (CVE-2026-84445)

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 9.6 x86_64
Red Hat Enterprise Linux Server - AUS 9.6 x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x

Fixes

BZ - 2533175 - CVE-2026-84445 google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests

CVEs

CVE-2026-84445

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 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
x86_64
rhc-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 282cd257e15d0c768abc733eec4e47d113c8bfad8e31dd87ab59b57ac42a1371
rhc-debuginfo-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 706f5e7a2041fd7519cfe2c696cc23d17e011461fc4ed87d8ba26a78ae3bd342
rhc-debugsource-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 1d3f0c893b67312a812023130e9a7f31bdf3dda5fb3f90b1fefe1d48ae646841

Red Hat Enterprise Linux Server - AUS 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
x86_64
rhc-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 282cd257e15d0c768abc733eec4e47d113c8bfad8e31dd87ab59b57ac42a1371
rhc-debuginfo-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 706f5e7a2041fd7519cfe2c696cc23d17e011461fc4ed87d8ba26a78ae3bd342
rhc-debugsource-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 1d3f0c893b67312a812023130e9a7f31bdf3dda5fb3f90b1fefe1d48ae646841

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
s390x
rhc-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: b46a903d6b00a600a6ff7c5d09d53d6c275b6e15ff68ccd45d7371832a54249a
rhc-debuginfo-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: cbb60a58762b133f5535741800f1efaedd7613db23a850782034c45e6bb2ffed
rhc-debugsource-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: 27f735b2d0a4ac5d9956341cc2ce43a7ec2c36300a6df5194c78e51b1b130e51

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
ppc64le
rhc-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 3d38b3921bb273f65e938d50407132b0b31c08f6d97d5ddbc868557f2de9e8a7
rhc-debuginfo-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 8d92c8e12fa8c4411b094c7ba69f0c0b59a9ac976e0ba06f7eab2cd8d1d80c89
rhc-debugsource-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 39b57e5350c47a1cfef99d7d95795a26d2bcca290f52f2da3b8fdd7f4b7668b5

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
aarch64
rhc-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 2c5f9ac1372d956c9b7b33b427084055e153cf9dbf0fcffb49b20cfbf243eb24
rhc-debuginfo-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: beca66259abcf31f65ee6a222f7e9ebd407a0001b3126f3886093167cef554cc
rhc-debugsource-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 0d80881273c803b82a7cf3365bbb297f174b443ec435ddbe87d08fa48878295c

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
ppc64le
rhc-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 3d38b3921bb273f65e938d50407132b0b31c08f6d97d5ddbc868557f2de9e8a7
rhc-debuginfo-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 8d92c8e12fa8c4411b094c7ba69f0c0b59a9ac976e0ba06f7eab2cd8d1d80c89
rhc-debugsource-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 39b57e5350c47a1cfef99d7d95795a26d2bcca290f52f2da3b8fdd7f4b7668b5

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
x86_64
rhc-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 282cd257e15d0c768abc733eec4e47d113c8bfad8e31dd87ab59b57ac42a1371
rhc-debuginfo-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 706f5e7a2041fd7519cfe2c696cc23d17e011461fc4ed87d8ba26a78ae3bd342
rhc-debugsource-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 1d3f0c893b67312a812023130e9a7f31bdf3dda5fb3f90b1fefe1d48ae646841

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6

SRPM
x86_64
rhc-debuginfo-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 706f5e7a2041fd7519cfe2c696cc23d17e011461fc4ed87d8ba26a78ae3bd342
rhc-debugsource-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 1d3f0c893b67312a812023130e9a7f31bdf3dda5fb3f90b1fefe1d48ae646841
rhc-devel-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: f943924035df601c70e90f46018faf2b9cb410e4081a5d859636c482d7e5079a

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6

SRPM
ppc64le
rhc-debuginfo-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 8d92c8e12fa8c4411b094c7ba69f0c0b59a9ac976e0ba06f7eab2cd8d1d80c89
rhc-debugsource-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 39b57e5350c47a1cfef99d7d95795a26d2bcca290f52f2da3b8fdd7f4b7668b5
rhc-devel-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 5f2157e790f4f426041572094a4be7d17b173d64f700fb373842be0d75184977

Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6

SRPM
s390x
rhc-debuginfo-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: cbb60a58762b133f5535741800f1efaedd7613db23a850782034c45e6bb2ffed
rhc-debugsource-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: 27f735b2d0a4ac5d9956341cc2ce43a7ec2c36300a6df5194c78e51b1b130e51
rhc-devel-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: 4c3f6a29e290074bdf17a130732e538d5ab307a3ae63115500558d88352a6821

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6

SRPM
aarch64
rhc-debuginfo-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: beca66259abcf31f65ee6a222f7e9ebd407a0001b3126f3886093167cef554cc
rhc-debugsource-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 0d80881273c803b82a7cf3365bbb297f174b443ec435ddbe87d08fa48878295c
rhc-devel-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 75bcc9ca45e5a6caa94dc5e9826a99627dcd91848f16919633370bcc0f7e4204

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
aarch64
rhc-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 2c5f9ac1372d956c9b7b33b427084055e153cf9dbf0fcffb49b20cfbf243eb24
rhc-debuginfo-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: beca66259abcf31f65ee6a222f7e9ebd407a0001b3126f3886093167cef554cc
rhc-debugsource-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 0d80881273c803b82a7cf3365bbb297f174b443ec435ddbe87d08fa48878295c

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
s390x
rhc-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: b46a903d6b00a600a6ff7c5d09d53d6c275b6e15ff68ccd45d7371832a54249a
rhc-debuginfo-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: cbb60a58762b133f5535741800f1efaedd7613db23a850782034c45e6bb2ffed
rhc-debugsource-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: 27f735b2d0a4ac5d9956341cc2ce43a7ec2c36300a6df5194c78e51b1b130e51

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
x86_64
rhc-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 282cd257e15d0c768abc733eec4e47d113c8bfad8e31dd87ab59b57ac42a1371
rhc-debuginfo-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 706f5e7a2041fd7519cfe2c696cc23d17e011461fc4ed87d8ba26a78ae3bd342
rhc-debugsource-0.2.7-1.el9_6.7.x86_64.rpm	SHA-256: 1d3f0c893b67312a812023130e9a7f31bdf3dda5fb3f90b1fefe1d48ae646841

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
aarch64
rhc-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 2c5f9ac1372d956c9b7b33b427084055e153cf9dbf0fcffb49b20cfbf243eb24
rhc-debuginfo-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: beca66259abcf31f65ee6a222f7e9ebd407a0001b3126f3886093167cef554cc
rhc-debugsource-0.2.7-1.el9_6.7.aarch64.rpm	SHA-256: 0d80881273c803b82a7cf3365bbb297f174b443ec435ddbe87d08fa48878295c

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
ppc64le
rhc-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 3d38b3921bb273f65e938d50407132b0b31c08f6d97d5ddbc868557f2de9e8a7
rhc-debuginfo-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 8d92c8e12fa8c4411b094c7ba69f0c0b59a9ac976e0ba06f7eab2cd8d1d80c89
rhc-debugsource-0.2.7-1.el9_6.7.ppc64le.rpm	SHA-256: 39b57e5350c47a1cfef99d7d95795a26d2bcca290f52f2da3b8fdd7f4b7668b5

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.7.src.rpm	SHA-256: 20c4379a7bb2a3a8c78cb4b72f8017a0460e230dd387b073f04cabf454edf2b7
s390x
rhc-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: b46a903d6b00a600a6ff7c5d09d53d6c275b6e15ff68ccd45d7371832a54249a
rhc-debuginfo-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: cbb60a58762b133f5535741800f1efaedd7613db23a850782034c45e6bb2ffed
rhc-debugsource-0.2.7-1.el9_6.7.s390x.rpm	SHA-256: 27f735b2d0a4ac5d9956341cc2ce43a7ec2c36300a6df5194c78e51b1b130e51

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

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