Issued:
2026-05-20
Updated:
2026-05-20

RHSA-2026:19720 - Important: opentelemetry-collector security update

Synopsis

Important: opentelemetry-collector security update

Type/Severity

Security Advisory Important

Topic

An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 9.6 Extended Update 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

Collector with the supported components for a Red Hat build of OpenTelemetry

Security Fix(es):

  • net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

  • google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)

  • github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object (CVE-2026-34986)

  • crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)

  • crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810)

  • golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

  • crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)

  • crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support9.6x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle9.6x86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support9.6ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle9.6ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support9.6s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle9.6s390x
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates9.6s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support9.6aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle9.6aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates9.6aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions9.6ppc64le
Red Hat Enterprise Linux Server - AUS9.6x86_64

Updated Packages

  • opentelemetry-collector-0.144.0-2.el9_6.s390x.rpm
  • opentelemetry-collector-0.144.0-2.el9_6.aarch64.rpm
  • opentelemetry-collector-0.144.0-2.el9_6.src.rpm
  • opentelemetry-collector-0.144.0-2.el9_6.x86_64.rpm
  • opentelemetry-collector-0.144.0-2.el9_6.ppc64le.rpm

Fixes

CVEs

References

Additional information