{"id":"ALSA-2026:34359","summary":"Important: opentelemetry-collector security update","details":"Collector with the supported components for a AlmaLinux 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  * github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API (CVE-2026-42151)\n  * net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)\n  * golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821)\n  * golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)\n  * crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)\n\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.\n","modified":"2026-07-07T13:59:20.963638535Z","published":"2026-07-01T00:00:00Z","related":["CVE-2026-25681","CVE-2026-27145","CVE-2026-33811","CVE-2026-39821","CVE-2026-42151","CVE-2026-42154"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:34359"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-25681"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-27145"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-33811"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-39821"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42151"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-42154"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2466505"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2466507"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2467822"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480756"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480761"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2484207"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-34359.html"}],"affected":[{"package":{"name":"opentelemetry-collector","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/opentelemetry-collector"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.152.1-1.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:34359.json"}}],"schema_version":"1.7.5"}