Red Hat Product Errata RHSA-2026:19353 - Security Advisory Issued: 2026-05-19 Updated: 2026-05-19 RHSA-2026:19353 - 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 9. 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 9 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64 Red Hat Enterprise Linux for IBM z Systems 9 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x Red Hat Enterprise Linux for Power, little endian 9 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le Red Hat Enterprise Linux for ARM 64 9 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x 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 9 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 x86_64 opentelemetry-collector-0.144.0-2.el9_8.x86_64.rpm SHA-256: 301355352c8ef712b1c174b7c241ab3f3892d8d55ced36553824a3791da8ff92 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 x86_64 opentelemetry-collector-0.144.0-2.el9_8.x86_64.rpm SHA-256: 301355352c8ef712b1c174b7c241ab3f3892d8d55ced36553824a3791da8ff92 Red Hat Enterprise Linux for IBM z Systems 9 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 s390x opentelemetry-collector-0.144.0-2.el9_8.s390x.rpm SHA-256: ef42ef820f5333bc9d799bce14d1c0040f284a482f76774865cdb7ab78aec609 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 s390x opentelemetry-collector-0.144.0-2.el9_8.s390x.rpm SHA-256: ef42ef820f5333bc9d799bce14d1c0040f284a482f76774865cdb7ab78aec609 Red Hat Enterprise Linux for Power, little endian 9 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 ppc64le opentelemetry-collector-0.144.0-2.el9_8.ppc64le.rpm SHA-256: a985c7d0c588a10b89c3a2d5940d1e53fee3501cd7c5379285cfbc942a4b0850 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 ppc64le opentelemetry-collector-0.144.0-2.el9_8.ppc64le.rpm SHA-256: a985c7d0c588a10b89c3a2d5940d1e53fee3501cd7c5379285cfbc942a4b0850 Red Hat Enterprise Linux for ARM 64 9 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 aarch64 opentelemetry-collector-0.144.0-2.el9_8.aarch64.rpm SHA-256: 82583ef71ca97d17307e0bdac5b480e757385c60414c15c4100d29e54dffd96b Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 aarch64 opentelemetry-collector-0.144.0-2.el9_8.aarch64.rpm SHA-256: 82583ef71ca97d17307e0bdac5b480e757385c60414c15c4100d29e54dffd96b Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 ppc64le opentelemetry-collector-0.144.0-2.el9_8.ppc64le.rpm SHA-256: a985c7d0c588a10b89c3a2d5940d1e53fee3501cd7c5379285cfbc942a4b0850 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 x86_64 opentelemetry-collector-0.144.0-2.el9_8.x86_64.rpm SHA-256: 301355352c8ef712b1c174b7c241ab3f3892d8d55ced36553824a3791da8ff92 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 aarch64 opentelemetry-collector-0.144.0-2.el9_8.aarch64.rpm SHA-256: 82583ef71ca97d17307e0bdac5b480e757385c60414c15c4100d29e54dffd96b Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 s390x opentelemetry-collector-0.144.0-2.el9_8.s390x.rpm SHA-256: ef42ef820f5333bc9d799bce14d1c0040f284a482f76774865cdb7ab78aec609 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 x86_64 opentelemetry-collector-0.144.0-2.el9_8.x86_64.rpm SHA-256: 301355352c8ef712b1c174b7c241ab3f3892d8d55ced36553824a3791da8ff92 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 aarch64 opentelemetry-collector-0.144.0-2.el9_8.aarch64.rpm SHA-256: 82583ef71ca97d17307e0bdac5b480e757385c60414c15c4100d29e54dffd96b Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 ppc64le opentelemetry-collector-0.144.0-2.el9_8.ppc64le.rpm SHA-256: a985c7d0c588a10b89c3a2d5940d1e53fee3501cd7c5379285cfbc942a4b0850 Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 SRPM opentelemetry-collector-0.144.0-2.el9_8.src.rpm SHA-256: 93d0e770a9100e1eb12838e9096b24e6afca8d5d231ce43b836291852d24daa0 s390x opentelemetry-collector-0.144.0-2.el9_8.s390x.rpm SHA-256: ef42ef820f5333bc9d799bce14d1c0040f284a482f76774865cdb7ab78aec609 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .