VULNERABILITY INTELLIGENCE

CVE-2018-20578

CVSS score7.5 HIGH

EPSS probability1.60%

CISA KEVNot currently listed

Published2018-12-28

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

nvd@nist.gov: CWE-835

Primary references

cve@mitre.org — Release Notes, Third Party Advisory
cve@mitre.org — Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Patch, Third Party Advisory