RHSA-2026:77532 - Security Advisory

Topic

Release of components for the Service Telemetry Framework

Description

Service Telemetry Framework (STF) provides automated collection of measurements and data from remote clients, such as Red Hat OpenStack Platform or third-party nodes. STF then transmits the information to a centralized, receiving Red Hat OpenShift Container Platform deployment for storage, retrieval, and monitoring.

Security Fixes:

• golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
• Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)
• Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
• Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)
• Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
• pyasn1: Denial of Service via crafted ASN.1 OBJECT IDENTIFIER (CVE-2026-59885)
• pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59886)

Solution

The Service Telemetry Framework container image provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container
Catalog (see References).

Dockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.

Affected Products

• Red Hat OpenStack

Fixes

• OSPRH-36575 - [COO] Alertmanager pod stuck in CrashLoopBackOff due to "unknown long flag '--cluster.peer-name'"
• OSPRH-36651 - [COO] Prometheus pod stuck in CrashLoopBackOff due to "field retention not found in type config.plain"

CVEs

• CVE-2026-32281
• CVE-2026-33811
• CVE-2026-33818
• CVE-2026-42504
• CVE-2026-56860
• CVE-2026-59885
• CVE-2026-59886

References

• https://access.redhat.com/security/updates/classification/
• https://catalog.redhat.com/software/containers/search