Red Hat Security Advisory: opentelemetry-collector security update
Checked 5 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
Open the official publisher sourcePUBLISHER UPDATE · RHSA-2026-68527
Red Hat Security Advisory: opentelemetry-collector security update
Scope: Red Hat Enterprise Linux. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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. Collector with the supported components for a Red Hat build of OpenTelemetry Security Fix(es): * net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499) * net/mail: golang: Go net/mail: Denial of Service via crafted email inputs (CVE-2026-39820) * mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504) * github.com/open-telemetry/opentelemetry-go: go.opentelemetry.io/otel/baggage: go.opentelemetry.io/otel/propagation: OpenTelemetry-Go: Denial of Service via oversized baggage headers (CVE-2026-41178) * encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818) * net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860) * net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853) * 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) * encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue (CVE-2026-56859) 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.
Not stated. The verified publisher record does not contain a known-issues statement.
Apply the Red Hat updates listed in the official advisory.
Checked 5 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
Open the official publisher source