Elasticsearch version 7.13.3edit

Also see Breaking changes in 7.13.

Security updatesedit

  • An uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node. All versions of Elasticsearch prior to 7.13.3 are affected by this flaw. You must upgrade to Elasticsearch version 7.13.3 to obtain the fix. CVE-2021-22144

Bug fixesedit

Autoscaling
  • Autoscale frozen tier into existence #73435 (issue: #72771)
  • Avoid scaling empty tier unnecessarily #74086
CompositeAggs
  • Fix bug when formatting epoch dates #73955 (issue: #68963)
EQL
  • Remove "fields" section from sequence in-progress searches #74824 (issue: #74582)
  • Remove "yet" from unsupported pipe error message #74850 (issue: #70844)
Features/Ingest
  • Improve circular reference detection in grok processor #74581
Network
  • Increment request before serializing it in OutboundHandler #74256 (issue: #74253)
Recovery
  • Recycle buffers used for file-based recovery #74117 (issue: #65921)
SQL
Search
  • Disable query cache for FunctionScoreQuery and ScriptScoreQuery #74060 (issue: #73925)
  • Fix CombinedFieldQuery (Lucene 9999) #74678
  • Fix error in FieldCapabilitiesResponse serialization #74504
  • Use min version when storing async search response #74642
Snapshot/Restore
  • Correctly log exceptions that are thrown during cache prewarming #74419
  • Fix snapshots recording incorrect max segment counts #74291 (issue: #74249)
  • Shared cache’s recovery range should be aligned with page size #74439 (issue: #74372)
Transform
  • Replace missing transform id with _all wildcard #74130 (issue: #74218)