Title: Denial of service via malformed network packet
CVE ID:
Description
An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15; v3.4 versions prior to 3.4.24.
CVSS score:
This issue's CVSS:3.1 severity is scored at 7.5 using the following scoring metrics:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected versions
MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15; v3.4 versions prior to 3.4.24.

Underlying operating systems affected: ALL

How the issue was reported: Internal

External Reference link (server ticket):
SERVER-43751

CWE: CWE-839: Numeric Range Comparison Without Minimum Check