RLSA-2026:93596: Important: opentelemetry-collector security update
Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry
Security Fix(es):
net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)
crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)
net/textproto: mime/multipart: golang: golang: Denial of Service via memory limit bypass in multipart form parsing (CVE-2026-94440)
net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669)
crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943)
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rocky-linux/opentelemetry-collectorto a version that resolves this vulnerability.Fixed in 0:0.158.0-2.el10_2
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Which deployments are in scope for this update?
The update applies to the Rocky Linux opentelemetry-collector package, specifically the collector build with supported components from the Rocky Enterprise Software Foundation.
What level of access does an attacker need?
The provided severity vector indicates network-reachable exploitation with low attack complexity, no privileges, and no user interaction. The listed issues include denial-of-service conditions in HTTP handling, TLS, multipart parsing, and HTTP/2 processing, plus a man-in-the-middle risk involving untrusted intermediate certificates.