High severity7.5OSV Advisory· Published Apr 4, 2019· Updated Jun 17, 2026

CVE-2018-10242

Description

Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.

Affected products

Oisf/SuricataOSV2 versions
suricata-0.8.2, suricata-1.0.0, suricata-1.0.1, …+ 1 more
- (no CPE)range: suricata-0.8.2, suricata-1.0.0, suricata-1.0.1, …
- cpe:2.3:a:oisf:suricata:4.0.4:*:*:*:*:*:*:*
Debian/linux
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Suricata/Suricatallm-fuzzy
Range: <4.0.5

Patches

Vulnerability mechanics

References

lists.debian.org/debian-lts-announce/2019/04/msg00010.htmlnvdThird Party Advisory
suricata-ids.org/2018/07/18/suricata-4-0-5-available/nvdRelease NotesVendor Advisory

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000