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):
- golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
- crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)
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.
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 - 2480756
- CVE-2026-39821 golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing
-
BZ - 2484207
- CVE-2026-27145 crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries
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_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| x86_64 |
|
rhc-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: d53fe7d9ff44bf2ea7221f3661740484f6b3e143e3689f053f835c8ae5364ff5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 5cef34abae4f396258dcdcfd59d78bcec9716163fca3e91c7f7341f7a58e0904 |
|
rhc-debugsource-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 6cd501c218d74ca086054846fc946511c85b4aa845c3edf111910e4eec5d4197 |
Red Hat Enterprise Linux Server - AUS 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| x86_64 |
|
rhc-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: d53fe7d9ff44bf2ea7221f3661740484f6b3e143e3689f053f835c8ae5364ff5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 5cef34abae4f396258dcdcfd59d78bcec9716163fca3e91c7f7341f7a58e0904 |
|
rhc-debugsource-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 6cd501c218d74ca086054846fc946511c85b4aa845c3edf111910e4eec5d4197 |
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| s390x |
|
rhc-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 4cbb4d612ae00586f9cdd61f853e85022740bd47082e789ba67711451bd44109 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 3d4206b2cd9d292014329e141af2024b37a7cc0fc709f44c091b366df360f353 |
|
rhc-debugsource-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: ff56a9190b510843ba85b5c0eb9eaa6d16673a22e34c5dba74adb9eb933eb170 |
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| ppc64le |
|
rhc-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: ef2484abfbc6c9970a3aa86b3e3f869c264bdd5ecc6ee2aaedce8df5f2e300b8 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: 7dbf17e6b7984259f37a9d8245fd89c2df93d7c5032705e28114954ebbfaf443 |
|
rhc-debugsource-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: eb7e06c452cba934529035494cfd89bfdf24a274b049b27945625f533b693bf0 |
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| aarch64 |
|
rhc-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: b09cfa789557a44905ff7276b14c83b140ff361cbb068f42b377b28261ac29e5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: c94f5e55a08f48a20d56dddf114dd98e505a763676ddf1cd44f7c80c9644d58b |
|
rhc-debugsource-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: 38603980f467c0774286718dac9f8d45820de77ad3dba942119f30ad4b8350fa |
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| ppc64le |
|
rhc-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: ef2484abfbc6c9970a3aa86b3e3f869c264bdd5ecc6ee2aaedce8df5f2e300b8 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: 7dbf17e6b7984259f37a9d8245fd89c2df93d7c5032705e28114954ebbfaf443 |
|
rhc-debugsource-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: eb7e06c452cba934529035494cfd89bfdf24a274b049b27945625f533b693bf0 |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| x86_64 |
|
rhc-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: d53fe7d9ff44bf2ea7221f3661740484f6b3e143e3689f053f835c8ae5364ff5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 5cef34abae4f396258dcdcfd59d78bcec9716163fca3e91c7f7341f7a58e0904 |
|
rhc-debugsource-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 6cd501c218d74ca086054846fc946511c85b4aa845c3edf111910e4eec5d4197 |
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6
| SRPM |
| x86_64 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 5cef34abae4f396258dcdcfd59d78bcec9716163fca3e91c7f7341f7a58e0904 |
|
rhc-debugsource-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 6cd501c218d74ca086054846fc946511c85b4aa845c3edf111910e4eec5d4197 |
|
rhc-devel-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 57e181fab9459dce52fa620542130f16c51161613fc451897db360a0ab99a49d |
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6
| SRPM |
| ppc64le |
|
rhc-debuginfo-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: 7dbf17e6b7984259f37a9d8245fd89c2df93d7c5032705e28114954ebbfaf443 |
|
rhc-debugsource-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: eb7e06c452cba934529035494cfd89bfdf24a274b049b27945625f533b693bf0 |
|
rhc-devel-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: f7048e06a0bbb6507b9ec6cc9e78054ff95944e8cf852da31e628a17e76af696 |
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6
| SRPM |
| s390x |
|
rhc-debuginfo-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 3d4206b2cd9d292014329e141af2024b37a7cc0fc709f44c091b366df360f353 |
|
rhc-debugsource-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: ff56a9190b510843ba85b5c0eb9eaa6d16673a22e34c5dba74adb9eb933eb170 |
|
rhc-devel-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 8ed4910c9ee283b3409d816d09b3b14c91a9a9f52545d30ba638e489e8d4b942 |
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6
| SRPM |
| aarch64 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: c94f5e55a08f48a20d56dddf114dd98e505a763676ddf1cd44f7c80c9644d58b |
|
rhc-debugsource-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: 38603980f467c0774286718dac9f8d45820de77ad3dba942119f30ad4b8350fa |
|
rhc-devel-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: 0e9290d150b45a2a8666ba99f162fbc1e1fbbbacdac0dbc211968582fc375c6f |
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| aarch64 |
|
rhc-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: b09cfa789557a44905ff7276b14c83b140ff361cbb068f42b377b28261ac29e5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: c94f5e55a08f48a20d56dddf114dd98e505a763676ddf1cd44f7c80c9644d58b |
|
rhc-debugsource-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: 38603980f467c0774286718dac9f8d45820de77ad3dba942119f30ad4b8350fa |
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| s390x |
|
rhc-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 4cbb4d612ae00586f9cdd61f853e85022740bd47082e789ba67711451bd44109 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 3d4206b2cd9d292014329e141af2024b37a7cc0fc709f44c091b366df360f353 |
|
rhc-debugsource-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: ff56a9190b510843ba85b5c0eb9eaa6d16673a22e34c5dba74adb9eb933eb170 |
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| x86_64 |
|
rhc-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: d53fe7d9ff44bf2ea7221f3661740484f6b3e143e3689f053f835c8ae5364ff5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 5cef34abae4f396258dcdcfd59d78bcec9716163fca3e91c7f7341f7a58e0904 |
|
rhc-debugsource-0.2.7-1.el9_6.5.x86_64.rpm
|
SHA-256: 6cd501c218d74ca086054846fc946511c85b4aa845c3edf111910e4eec5d4197 |
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| aarch64 |
|
rhc-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: b09cfa789557a44905ff7276b14c83b140ff361cbb068f42b377b28261ac29e5 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: c94f5e55a08f48a20d56dddf114dd98e505a763676ddf1cd44f7c80c9644d58b |
|
rhc-debugsource-0.2.7-1.el9_6.5.aarch64.rpm
|
SHA-256: 38603980f467c0774286718dac9f8d45820de77ad3dba942119f30ad4b8350fa |
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| ppc64le |
|
rhc-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: ef2484abfbc6c9970a3aa86b3e3f869c264bdd5ecc6ee2aaedce8df5f2e300b8 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: 7dbf17e6b7984259f37a9d8245fd89c2df93d7c5032705e28114954ebbfaf443 |
|
rhc-debugsource-0.2.7-1.el9_6.5.ppc64le.rpm
|
SHA-256: eb7e06c452cba934529035494cfd89bfdf24a274b049b27945625f533b693bf0 |
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6
| SRPM |
|
rhc-0.2.7-1.el9_6.5.src.rpm
|
SHA-256: be9440c7cdaa43f7ad15a9543f65f4434f3d21c3da66cb829c9d35abda5187fc |
| s390x |
|
rhc-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 4cbb4d612ae00586f9cdd61f853e85022740bd47082e789ba67711451bd44109 |
|
rhc-debuginfo-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: 3d4206b2cd9d292014329e141af2024b37a7cc0fc709f44c091b366df360f353 |
|
rhc-debugsource-0.2.7-1.el9_6.5.s390x.rpm
|
SHA-256: ff56a9190b510843ba85b5c0eb9eaa6d16673a22e34c5dba74adb9eb933eb170 |