{"id":"EUVD-2026-25408","revision":"a24f30ce31894b00a4b6fbd118505213","records":[{"revision":"a24f30ce31894b00a4b6fbd118505213","observedAt":"2026-11-01T03:06:31.518+00:00","statement":{"source":"euvd","id":"EUVD-2026-25408","aliases":["CVE-2026-21728"],"title":"Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.","description":"Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.\n\nMitigation can be done by setting max_result_limit in the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":null}],"references":["https://grafana.com/security/security-advisories/cve-2026-21728"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25408","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 24, 2026, 8:00:47 AM","dateUpdated":"Sep 9, 2026, 12:04:42 PM"},"relatedAdvisories":[{"id":"RHSA-2026:24503","title":"Red Hat Security Advisory: Multicluster Global Hub 1.7.1 security update","vulnerabilityIds":["CVE-2025-41118","CVE-2026-21728","CVE-2026-32281","CVE-2026-32282","CVE-2026-33813","CVE-2026-33815","CVE-2026-33816","CVE-2026-34040","CVE-2026-40293","CVE-2026-40890","CVE-2026-41602","CVE-2026-43869"]},{"id":"RHSA-2026:21769","title":"Red Hat Security Advisory: Multicluster Global Hub 1.5.4 security update","vulnerabilityIds":["CVE-2026-4427","CVE-2026-21728","CVE-2026-25679","CVE-2026-27137","CVE-2026-27889","CVE-2026-29785","CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-32283","CVE-2026-32285","CVE-2026-32286","CVE-2026-33186","CVE-2026-33215","CVE-2026-33216","CVE-2026-33217","CVE-2026-33218","CVE-2026-33219","CVE-2026-33247","CVE-2026-33413","CVE-2026-33487","CVE-2026-33810","CVE-2026-33813","CVE-2026-33997","CVE-2026-34040","CVE-2026-34986","CVE-2026-40890","CVE-2026-41602","CVE-2026-41603","CVE-2026-41604","CVE-2026-41605","CVE-2026-41606","CVE-2026-41607","CVE-2026-41636","CVE-2026-43869"]},{"id":"RHSA-2026:22423","title":"Red Hat Security Advisory: Multicluster Global Hub 1.3.4 security update","vulnerabilityIds":["CVE-2026-21728","CVE-2026-25679","CVE-2026-27137","CVE-2026-32282","CVE-2026-32283","CVE-2026-32285","CVE-2026-32286","CVE-2026-33186","CVE-2026-33487","CVE-2026-33815","CVE-2026-33816","CVE-2026-34986","CVE-2026-41602","CVE-2026-41603","CVE-2026-41604","CVE-2026-41605","CVE-2026-41606","CVE-2026-41607","CVE-2026-41636","CVE-2026-43869"]},{"id":"RHSA-2026:23345","title":"Red Hat Security Advisory: Multicluster Global Hub 1.6.2 security update","vulnerabilityIds":["CVE-2026-4427","CVE-2026-21728","CVE-2026-25679","CVE-2026-27137","CVE-2026-27889","CVE-2026-29785","CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-32283","CVE-2026-32285","CVE-2026-32286","CVE-2026-33186","CVE-2026-33215","CVE-2026-33216","CVE-2026-33217","CVE-2026-33218","CVE-2026-33219","CVE-2026-33247","CVE-2026-33413","CVE-2026-33487","CVE-2026-33810","CVE-2026-33813","CVE-2026-33997","CVE-2026-34040","CVE-2026-34986","CVE-2026-40890","CVE-2026-41602","CVE-2026-41603","CVE-2026-41604","CVE-2026-41605","CVE-2026-41606","CVE-2026-41607","CVE-2026-41636","CVE-2026-43869"]},{"id":"RHSA-2026:22347","title":"Red Hat Security Advisory: Multicluster Global Hub 1.4.5 security update","vulnerabilityIds":["CVE-2026-4427","CVE-2026-21728","CVE-2026-25679","CVE-2026-27137","CVE-2026-27889","CVE-2026-29785","CVE-2026-32280","CVE-2026-32281","CVE-2026-32282","CVE-2026-32283","CVE-2026-32285","CVE-2026-32286","CVE-2026-33186","CVE-2026-33215","CVE-2026-33216","CVE-2026-33217","CVE-2026-33218","CVE-2026-33219","CVE-2026-33247","CVE-2026-33413","CVE-2026-33487","CVE-2026-33810","CVE-2026-33813","CVE-2026-33997","CVE-2026-34040","CVE-2026-34986","CVE-2026-40890","CVE-2026-41602","CVE-2026-41603","CVE-2026-41604","CVE-2026-41605","CVE-2026-41606","CVE-2026-41607","CVE-2026-41636","CVE-2026-43869"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-25408","identifiers":["EUVD-2026-25408","CVE-2026-21728"]},"retained":false,"historicalAffected":[]}],"coverage":[]}