CVE catalog

CVE-2014-6603

DEBIAN-CVE-2014-6603

Severity: Unknown
Published: Oct 7, 2014, 2:55:07 PM UTC
Updated: Sep 1, 2026, 8:03:23 PM UTC
Source: [NVD] · [CVE record]
EPSS: 3.24% · Oct 25, 2026

The SSHParseBanner function in SSH parser (app-layer-ssh.c) in Suricata before 2.0.4 allows remote attackers to bypass SSH rules, cause a denial of service (crash), or possibly have unspecified other impact via a crafted banner, which triggers a large memory allocation or an out-of-bounds write.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	suricata	13	`2.0.4-1`	fixed
Debian	suricata	14	`2.0.4-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	suricata	deb	13	`2.0.4-1`	Not reported	DEBIAN-CVE-2014-6603	Not reported
Debian	suricata	deb	14	`2.0.4-1`	Not reported	DEBIAN-CVE-2014-6603	Not reported

OpenFactory catalog packages

[Debian 13 (Trixie)]

[suricata]Fixed
Details (4)
- 1:7.0.10-1+deb13u4 · amd64 · trixie
  Fixed · Fixed: 2.0.4-1
  pypi · suricata · debian · 13
- 1:7.0.10-1+deb13u4 · arm64 · trixie
  Fixed · Fixed: 2.0.4-1
  pypi · suricata · debian · 13
- 1:8.0.6-1~bpo13+1 · amd64 · trixie-backports
  Fixed · Fixed: 2.0.4-1
  pypi · suricata · debian · 13
- 1:8.0.6-1~bpo13+1 · arm64 · trixie-backports
  Fixed · Fixed: 2.0.4-1
  pypi · suricata · debian · 13

Observed: Oct 23, 2026, 5:11:38 PM UTC

References

[https://osv.dev/vulnerability/DEBIAN-CVE-2014-6603]

[FIRST EPSS] · [OSV Package Vulnerability Database]