RHSA-2026:53415: Important: opentelemetry-collector security update
Collector with the supported components for a Red Hat build of OpenTelemetrySecurity Fix(es): github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint (CVE-2026-42154) github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API (CVE-2026-42151) apache-thrift: Apache Thrift: Denial of Service via multiple vulnerabilities (CVE-2026-43870) net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811) golang.org/x/net/idna: golang: net/http: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass (CVE-2026-27136) golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681) 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.
Other sources
Important: opentelemetry-collector security update
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/opentelemetry-collectorto a version that resolves this vulnerability.Fixed in 0.152.1-1.el9_6 - Upgrade
Upgrade
redhat/opentelemetry-collectorto a version that resolves this vulnerability.Fixed in 0.152.1-1.el9_6.aa