TI-2018-14601 Aliases CVE-2018-20578 GHSA-wmm4-77g9-76jv

An issue was discovered in NuttX before 7.27.

LOW 36CWE-835Published 2018-12-28 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-835.

Summary

An issue was discovered in NuttX before 7.27. The function netlib_parsehttpurl() in apps/netutils/netlib/netlib_parsehttpurl.c mishandles URLs longer than hostlen bytes (in the webclient, this is set by default to 40), leading to an Infinite Loop. The attack vector is the Location header of an HTTP 3xx response.

Why it matters now

EPSS 0.01599 75th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nuttx:nuttx::::::::	before 7.27	Vulnerable	Nuttx

cpe:2.3:a:nuttx:nuttx:*:*:*:*:*:*:*:* Versions before 7.27 Vulnerable ·Nuttx

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-20578
2026-10-03 Alias added: GHSA-wmm4-77g9-76jv

References

Exploit 1

https://bitbucket.org/nuttx/nuttx/issues/119/denial-of-service-infinite-loop-while

Advisory 1

https://bitbucket.org/nuttx/nuttx/downloads/nuttx-7_27-README.txt

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences