{"id":"RLSA-2026:34359","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.","modified":"2026-07-05T12:30:04.638206187Z","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"],"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"}],"affected":[{"package":{"name":"opentelemetry-collector","ecosystem":"Rocky Linux:9","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"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:34359.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}