CVE-2024-28870

Suricata uses excessive resource use in malformed ssh traffic parsing

HIGH
7.5
CVSS Score
Published: April 3, 2024 at 09:13 PM UTC
Updated: June 17, 2026 at 07:21 AM UTC
1 product affected across 1 vendorSuricata

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community. When parsing an overly long SSH banner, Suricata can use excessive CPU resources, as well as cause excessive logging volume in alert records. This issue has been patched in versions 6.0.17 and 7.0.4.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 6.0.16v ≤ 7.0.3v < 6.0.177.0.0 ≤ v ≤ 7.0.37.0.0 ≤ v < 7.0.47.0.0<= 6.0.16
Affected range stops below 6.0.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-770

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