VULNERABILITY INTELLIGENCE

CVE-2019-17420

CVSS score5.3 MEDIUM

EPSS probability1.35%

CISA KEVNot currently listed

Published2019-10-10

Last modified2026-06-17

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

Description

In OISF LibHTP before 0.5.31, as used in Suricata 4.1.4 and other products, an HTTP protocol parsing error causes the http_header signature to not alert on a response with a single \r\n ending.

Weakness classification

nvd@nist.gov: CWE-459

Primary references

cve@mitre.org — Patch
cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory