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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-4358

Memory safety issues in slot-based execution hash table spill

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Status
Published
Published
Updated
Assigning organization
mongodb

Description

A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

MongoDB Inc MongoDB Server

Default version status: unaffected

  • 8.2 to < 8.2.6affected
  • 8.0 to < 8.0.20affected
  • 7.0 to < 7.0.31affected

References