CVE-2024-55628Network attack vector

Monitoring interruption via compressed DNS name expansion

Published Jan 6, 2025 · Updated Jan 6, 2025

Resource exhaustion in Suricata before 7.0.8 allows remote attackers to interrupt monitoring via compressed DNS resource names. The Rust DNS parser expands compressed labels and previously retained names until a generous label limit, allowing small packets to produce log records approaching 10 MB. No authentication or user interaction is required; DNS traffic must traverse the enabled DNS parser, and repeated records can consume processing and storage resources.

CVSS severity7.5
High
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in Suricata before 7.0.8 allows remote attackers to interrupt monitoring via compressed DNS resource names. The Rust DNS parser expands compressed labels and previously retained names until a generous label limit, allowing small packets to produce log records approaching 10 MB. No authentication or user interaction is required; DNS traffic must traverse the enabled DNS parser, and repeated records can consume processing and storage resources.

The record

CVE
CVE-2024-55628
Published
Jan 6, 2025
Updated
Jan 6, 2025
Vendor
Open Information Security Foundation
Product
Suricata
Classifications
CWE-779, CWE-405, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 7.0.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Open Information Security Foundation · Suricataversion=< 7.0.8

Published CVSS scores

7.5GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-779Logging of Excessive Data
CWE-405Asymmetric Resource Consumption (Amplification)
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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