{"schema_version": "1.7.0", "id": "RLSA-2026:34359", "modified": "2026-07-05T12:06:40.513276Z", "published": "2026-07-05T12:03:16.627983Z", "upstream": ["CVE-2026-25681", "CVE-2026-27145", "CVE-2026-33811", "CVE-2026-39821", "CVE-2026-42151", "CVE-2026-42154"], "summary": "Important: opentelemetry-collector security update", "details": "Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry\n\nSecurity Fix(es):\n\n* github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint (CVE-2026-42154)\n\n* github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API (CVE-2026-42151)\n\n* net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)\n\n* golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\n\n* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)\n\n* crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "opentelemetry-collector", "purl": "pkg:rpm/rocky-linux/opentelemetry-collector?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:0.152.1-1.el9_8"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:34359"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466505"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466507"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467822"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480756"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480761"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484207"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}