Issued at: 2026-07-07
Updated at: 2026-07-07
Synopsis
Important: opentelemetry-collector security update
Description
Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry
Security 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)
* net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)
* 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.