Red Hat Security Advisory: opentelemetry-collector security update
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.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2026:19719 details a security update for the OpenTelemetry Collector package in Red Hat Enterprise Linux 10.0 Extended Update Support. The update addresses eight vulnerabilities: CVE-2026-25679 (incorrect parsing of IPv6 host literals in net/url), CVE-2026-33186 (authorization bypass in gRPC-Go due to improper HTTP/2 path validation), CVE-2026-34986 (denial of service via crafted JSON Web Encryption objects in Go JOSE), CVE-2026-32281 and CVE-2026-32280 (denial of service vulnerabilities in Go crypto/x509 certificate chain validation), CVE-2026-33810 (certificate validation bypass due to incorrect DNS constraint application), CVE-2026-32282 (Root.Chmod following symlinks out of root in golang internal syscall), and CVE-2026-32283 (denial of service via multiple TLS 1.3 key update messages). The advisory provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions, authorization bypass, and certificate validation bypass within the OpenTelemetry Collector environment on affected Red Hat Enterprise Linux 10.0 systems. These issues could impact the security and reliability of telemetry data collection and processing, potentially allowing unauthorized access or disruption of service.
Mitigation Recommendations
Red Hat has released updated packages for OpenTelemetry Collector in Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:19719 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the official update.
Red Hat Security Advisory: opentelemetry-collector security update
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.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2026:19719 details a security update for the OpenTelemetry Collector package in Red Hat Enterprise Linux 10.0 Extended Update Support. The update addresses eight vulnerabilities: CVE-2026-25679 (incorrect parsing of IPv6 host literals in net/url), CVE-2026-33186 (authorization bypass in gRPC-Go due to improper HTTP/2 path validation), CVE-2026-34986 (denial of service via crafted JSON Web Encryption objects in Go JOSE), CVE-2026-32281 and CVE-2026-32280 (denial of service vulnerabilities in Go crypto/x509 certificate chain validation), CVE-2026-33810 (certificate validation bypass due to incorrect DNS constraint application), CVE-2026-32282 (Root.Chmod following symlinks out of root in golang internal syscall), and CVE-2026-32283 (denial of service via multiple TLS 1.3 key update messages). The advisory provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities collectively allow for potential denial of service conditions, authorization bypass, and certificate validation bypass within the OpenTelemetry Collector environment on affected Red Hat Enterprise Linux 10.0 systems. These issues could impact the security and reliability of telemetry data collection and processing, potentially allowing unauthorized access or disruption of service.
Mitigation Recommendations
Red Hat has released updated packages for OpenTelemetry Collector in Red Hat Enterprise Linux 10.0 Extended Update Support to address these vulnerabilities. Users should apply the security update as described in Red Hat advisory RHSA-2026:19719 and the referenced article https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:19719
- Cve Count
- 8
- Additional Cves
- ["CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-32283","CVE-2026-33186","CVE-2026-33810","CVE-2026-34986"]
- Cvss Version
- null
Threat ID: 6a160954e29bf47b50619b57
Added to database: 05/26/2026, 20:57:56 UTC
Last enriched: 07/26/2026, 01:49:20 UTC
Last updated: 07/31/2026, 21:28:43 UTC
Views: 130
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