CVE-2023-36665

protobufjs: prototype pollution using user-controlled protobuf message

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Severity

Moderate

Red Hat Product Security

8.6

CVSS 3.1

Review impact separately from score.

Published · July 5, 2023

Updated · November 21, 2025

Description

A flaw was found in the protobuf.js. The affected versions of protobuf.js could allow a remote attacker to execute arbitrary code on the system caused by prototype pollution. By sending a specially crafted message, an attacker can execute arbitrary code on the system.

Statement

For Red Hat Enterprise Linux, Protobufjs in Grafana are used for communication with trusted sources (prometheus/openmetrics scraping), end-user communication is over HTTP. While this CVE is in Grafana (rhel-8, rhel-9), it will be resolved via a Grafana rebase. Hence, it is marked as wontfix.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')