RHSA-2026:75689: Important: rhc

- Issued: - 2026-10-05 - Updated: - 2026-10-05 RHSA-2026:75689 - Security Advisory Synopsis Important: rhc-worker-script security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. Topic An update for rhc-worker-script is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 Remote Host Configuration (rhc) worker for executing scripts on hosts managed by Red Hat Lightspeed. Security Fix(es): - encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) - html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858) - crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862) - 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: Affected Products - Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64 Fixes - BZ - 2515815 - CVE-2026-33818 encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal - BZ - 2515838 - CVE-2026-56858 html/template: golang: Go html/template: Cross-Site Scripting via pathological input - BZ - 2515839 - CVE-2026-56862 crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages - BZ - 2533175 - CVE-2026-84445 google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 | SRPM | | |---|---| | rhc-worker-script-0.12-1.el7_9.src.rpm | SHA-256: 61ae4f38357bd4e3fcbeefc12d0da86d65f364133f85a8a49f4d73bad4caa1d7 | | x86_64 | | | rhc-worker-script-0.12-1.el7_9.x86_64.rpm | SHA-256: 6e54107fc4cd03ecd8005c2f985b6205d64d06ca5894f62747db0707ac1dd2e0 | The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.