Kurz gesagt
- CVE-2026-21728 ist eine Schwachstelle (HOCH (CVSS 7.5)) in github.com/grafana/tempo, tempo (grafana).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.64%, höher als bei 50.5% aller Schwachstellen.
- Abhilfe: auf 2.8.4, 2.10.2, 2.9.2 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| github.com/grafana/tempo Go | ≥ 1.3.0, < 2.8.4≥ 1.3.0≥ 2.10.0, < 2.10.2≥ 2.9.0, < 2.9.2
| 2.8.42.10.22.9.2
|
| tempo | ≥ 1.3.0, < 2.8.4≥ 2.10.0, < 2.10.2≥ 2.9.0, < 2.9.2
| 2.8.42.10.22.9.2
|
Description
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).
NVD description
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.
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