CVE-2018-3738

5.5 mediumEPSS 0.9%

Medium (5.5) in protobufjs project protobufjs. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in protobufjs 5.0.3, 6.8.6.

protobufjs is vulnerable to ReDoS when parsing crafted invalid .proto files.

Severity

5.5 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWEs: CWE-185, CWE-770
Published: 2018-06-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-762f-c2wg-m8c8	npm	protobufjs	>=6.0.0 <6.8.6	6.8.6
GHSA-762f-c2wg-m8c8	npm	protobufjs	<5.0.3	5.0.3