CVE-2018-3738 json
Denial of Service in protobufjs
published 2018-06-07 8 y ago modified 2026-06-17 4 mo ago also GHSA-762f-c2wg-m8c8 , EUVD-2018-0532
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
protobufjs is vulnerable to ReDoS when parsing crafted invalid .proto files.
Patch / fix
- npm protobufjs 5.0.3, 6.8.6
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/319576 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | protobufjs | >=6.0.0, <6.8.6 <5.0.3 |
6.8.6 5.0.3 |
Affected products
- HackerOne protobufjs node module
Classification
References
-
hackerone.com
/reports/319576
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-3738
advisory
-
github.com
/advisories/GHSA-762f-c2wg-m8c8
advisory
-
github.com
/dcodeIO/protobuf.js/blob/6.8.5/src/parse.js#L27
web
-
npmjs.com
/advisories/605
web
Sources
- CVE List CVE-2018-3738
- GitHub Advisory GHSA-762f-c2wg-m8c8
- NVD CVE-2018-3738
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.