CVE-2026-21728 — Tempo query limit results in unbounded memory allocation
Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy. Mitigation can be don…
Published: 2026-04-24 · CVSS: 7.5 · CVSS 3.1
Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy. Mitigation can be done by setting max_result_limit in the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7