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Red Hat Security Advisory: opentelemetry-collector security update

0
High
Published: Wed May 20 2026 (05/20/2026, 16:45:20 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

This Red Hat security advisory addresses multiple vulnerabilities in the opentelemetry-collector package for Red Hat Enterprise Linux 10. 0 Extended Update Support. The issues include incorrect IPv6 host parsing, authorization bypass in gRPC-Go, denial of service via crafted JSON Web Encryption objects and TLS key update messages, certificate validation bypass, and symlink following in root. Chmod. The advisory rates the overall impact as Important and provides updated packages to remediate these vulnerabilities. No known exploits in the wild have been reported at this time.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/26/2026, 21:03:32 UTC

Technical Analysis

The Red Hat opentelemetry-collector package for RHEL 10.0 EUS contains multiple security vulnerabilities spanning several components: net/url (incorrect IPv6 host literal parsing, CVE-2026-25679), gRPC-Go (authorization bypass due to improper HTTP/2 path validation, CVE-2026-33186), Go JOSE (denial of service via crafted JWE objects, CVE-2026-34986), crypto/x509 (denial of service and certificate validation bypass, CVE-2026-32280, CVE-2026-32281, CVE-2026-33810), internal/syscall/unix (symlink following in Root.Chmod, CVE-2026-32282), and crypto/tls (denial of service via multiple TLS 1.3 key update messages, CVE-2026-32283). Red Hat has released updated packages addressing these issues. The advisory references multiple bugzilla entries and CVE pages for detailed technical information.

Potential Impact

The vulnerabilities collectively could allow attackers to bypass authorization controls, cause denial of service conditions, bypass certificate validation, and potentially escalate privileges via symlink attacks. The advisory rates the security impact as Important. No exploits in the wild have been reported. The issues affect Red Hat Enterprise Linux 10.0 Extended Update Support versions of the opentelemetry-collector package across multiple architectures.

Mitigation Recommendations

Red Hat has released updated opentelemetry-collector packages for Red Hat Enterprise Linux 10.0 Extended Update Support that address all listed vulnerabilities. Users should apply these official updates as described in the Red Hat advisory (RHSA-2026:19719) to remediate the issues. Patch status is confirmed as official-fix via the vendor advisory. No additional mitigation steps are indicated beyond applying the provided updates.

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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: 5/26/2026, 8:57:56 PM

Last enriched: 5/26/2026, 9:03:32 PM

Last updated: 5/27/2026, 5:01:10 AM

Views: 2

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