CVE-2019-17420
MEDIUM
5.3
CVSS Score
Published: October 9, 2019 at 11:29 PM UTC
Updated: June 17, 2026 at 02:23 AM UTC
2 products affected across 2 vendorsSuricataLibhtp
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.5.31
Affected range stops below 0.5.31, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatch
Source: [email protected]
https://github.com/OISF/libhtp/compare/0.5.30...0.5.31x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/OISF/libhtp/pull/213x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://redmine.openinfosecfoundation.org/issues/2969CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-459
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card