5.3Medium

CVE-2026-82063Use-After-Free in MongoDB Server Cursor Management Component Leads to Denial of Service

MongoDB MongoDB Server Published: (2 months ago)

Description

A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.

Weakness (CWE): CWE-416

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
mongodb mongodb 7.0.0 – < 7.0.41
MongoDB MongoDB Server 8.3.0 – < 8.3.9, 8.0.0 – < 8.0.30, 7.0.0 – < 7.0.41

References and patches

CPE matches (NVD) (3)

  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 7.0.0 < 7.0.41
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.0.0 < 8.0.30
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.3.0 < 8.3.9