RHSA-2026:60315: Important: rhc security update
Important: rhc security update
Other sources
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.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/rhcto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4 - Upgrade
Upgrade
redhat/rhc-debuginfoto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4 - Upgrade
Upgrade
redhat/rhc-debugsourceto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4 - Upgrade
Upgrade
redhat/rhcto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4.aa - Upgrade
Upgrade
redhat/rhc-debuginfoto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4.aa - Upgrade
Upgrade
redhat/rhc-debugsourceto a version that resolves this vulnerability.Fixed in 0.2.4-9.el9_4.aa - Upgrade
Upgrade
golang crypto/x509to a version that resolves this vulnerability.Patch CVE-2026-27145 - Upgrade
Upgrade
golang.org/x/net/idnato a version that resolves this vulnerability.Patch CVE-2026-39821
Event History
Frequently Asked Questions
Which package variants are included in this update?
The update covers rhc, rhc-debuginfo, and rhc-debugsource.
Which Red Hat Enterprise Linux service offerings are listed as affected?
The advisory lists Extended Life Cycle offerings for IBM z Systems, ARM 64, and Power little endian; x86_64 Update Services for SAP Solutions; and Red Hat Enterprise Linux Server AUS.