Red Hat Product Errata RHSA-2026:19719 - Security Advisory Issued: 2026-05-20 Updated: 2026-05-20 RHSA-2026:19719 - Security Advisory Overview Updated Packages Synopsis Important: opentelemetry-collector security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for opentelemetry-collector is now available for Red Hat Enterprise Linux 10.0 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 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 x86_64 Fixes BZ - 2445356 - CVE-2026-25679 net/url: Incorrect parsing of IPv6 host literals in net/url BZ - 2449833 - CVE-2026-33186 google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation BZ - 2455470 - CVE-2026-34986 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 BZ - 2456333 - CVE-2026-32281 crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation BZ - 2456335 - CVE-2026-33810 crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application BZ - 2456336 - CVE-2026-32282 golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root BZ - 2456338 - CVE-2026-32283 crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages BZ - 2456339 - CVE-2026-32280 crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building CVEs CVE-2026-25679 CVE-2026-32280 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-33186 CVE-2026-33810 CVE-2026-34986 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 x86_64 opentelemetry-collector-0.144.0-2.el10_0.x86_64.rpm SHA-256: 09d210a97d192ffc8bbbf8eece2de341ba7332d6f6ec263dbe80148533f38fe0 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 s390x opentelemetry-collector-0.144.0-2.el10_0.s390x.rpm SHA-256: ddecc92796c57f9d0fd4066369b6c6506a20f44dc8b2cf8b2a3a41d3ebb4e267 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 ppc64le opentelemetry-collector-0.144.0-2.el10_0.ppc64le.rpm SHA-256: 0d6b66b77a33bede6f11718e4b1e7a923c0c1b13a2a1e27a766fecffc1804ff6 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 aarch64 opentelemetry-collector-0.144.0-2.el10_0.aarch64.rpm SHA-256: a43ca282692c699c90f4394074b3306e5d48195c63519ec5e0f749eeb8251f5e Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 aarch64 opentelemetry-collector-0.144.0-2.el10_0.aarch64.rpm SHA-256: a43ca282692c699c90f4394074b3306e5d48195c63519ec5e0f749eeb8251f5e Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 s390x opentelemetry-collector-0.144.0-2.el10_0.s390x.rpm SHA-256: ddecc92796c57f9d0fd4066369b6c6506a20f44dc8b2cf8b2a3a41d3ebb4e267 Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 ppc64le opentelemetry-collector-0.144.0-2.el10_0.ppc64le.rpm SHA-256: 0d6b66b77a33bede6f11718e4b1e7a923c0c1b13a2a1e27a766fecffc1804ff6 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 SRPM opentelemetry-collector-0.144.0-2.el10_0.src.rpm SHA-256: 5b607e633553308548941ebdc4ada568c2adbc507f39ee59f953fcdb55a591c7 x86_64 opentelemetry-collector-0.144.0-2.el10_0.x86_64.rpm SHA-256: 09d210a97d192ffc8bbbf8eece2de341ba7332d6f6ec263dbe80148533f38fe0 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .