CVE-2023-36665

CRITICAL

protobuf.js <7.2.5 - Prototype Pollution

Title source: llm
STIX 2.1

Description

"protobuf.js (aka protobufjs) 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and overwriting its data and functions. Exploitation can involve: (1) using the function parse to parse protobuf messages on the fly, (2) loading .proto files by using load/loadSync functions, or (3) providing untrusted input to the functions ReflectionObject.setParsedOption and util.setProperty.

Scores

CVSS v3 9.8
EPSS 0.0169
EPSS Percentile 82.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1321
Status published
Products (2)
npm/protobufjs 7.0.0 - 7.2.5npm
protobufjs_project/protobufjs 6.10.0 - 7.2.5
Published Jul 05, 2023
Tracked Since Feb 18, 2026