RHSA-2026:75689 — Security Advisory
Red Hat Security Advisory: rhc-worker-script security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · October 5, 2026
Updated · November 5, 2026
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.