CVE-2019-17420
5.3
MEDIUM
CVSS 3.1
EPSS 0.24%
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.
How to fix CVE-2019-17420
To remediate CVE-2019-17420, upgrade the affected package to a fixed version below.
- Debian/libhtp—upgrade to 1:0.5.31-1 or later
Is CVE-2019-17420 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:0.5.31-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |