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.
References (3)
Core 3
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://redmine.openinfosecfoundation.org/issues/2969
Patch x_refsource_misc
https://github.com/OISF/libhtp/compare/0.5.30...0.5.31
Patch, Third Party Advisory x_refsource_misc
https://github.com/OISF/libhtp/pull/213
Scores
CVSS v3
5.3
EPSS
0.0135
EPSS Percentile
67.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-459
Status
published
Products (2)
oisf/libhtp
< 0.5.31
suricata-ids/suricata
4.1.4
Published
Oct 10, 2019
Tracked Since
Feb 18, 2026