CVE-2022-43572: Splunk

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, sending a malformed file through the Splunk-to-Splunk (S2S) or HTTP Event Collector (HEC) protocols to an indexer results in a blockage or denial-of-service preventing further indexing.

Affected products

• Splunk Splunk: from 8.1.0, before 8.1.12 (fixed in 8.1.12); from 8.2.0, before 8.2.9 (fixed in 8.2.9); from 9.0.0, before 9.0.2 (fixed in 9.0.2)
• Splunk Splunk Cloud Platform: before 9.0.2209 (fixed in 9.0.2209)

Published 2022-11-04. Last modified 2026-06-17.