CVE-2024-38534— Suricata modbus: txs without responses are never freed
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I. Basic Information for CVE-2024-38534
Vulnerability Information
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Vulnerability Title
Suricata modbus: txs without responses are never freed
Source: NVD (National Vulnerability Database)
Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Crafted modbus traffic can lead to unlimited resource accumulation within a flow. Upgrade to 7.0.6. Set a limited stream.reassembly.depth to reduce the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Suricata 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Suricata是开放信息安全基金会（Open Information Security Foundation，OISF）和其支持的厂商共同开发的一套网络入侵检测系统（IDS）、入侵防御系统（IPS）和网络安全监控引擎，它支持多线程、内置IPv6、可加载预设规则等。 Suricata 7.0.5版本及之前版本存在安全漏洞。攻击者利用该漏洞通过特制的 modbus 流量可导致流量中资源无限积累。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-38534
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- https://redmine.openinfosecfoundation.org/issues/6988x_refsource_MISC
- https://redmine.openinfosecfoundation.org/issues/6987x_refsource_MISC
- https://github.com/OISF/suricata/security/advisories/GHSA-59qg-h357-69fqx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2024-38534
Same Patch Batch · OISF · 2024-07-11 · 4 CVEs total
| CVE-2024-38535 | 7.5 HIGH | Suricata http2: oom from duplicate headers |
| CVE-2024-38536 | 7.5 HIGH | Suricata http/range: NULL-ptr deref when http.memcap is reached |
| CVE-2024-37151 | 5.3 MEDIUM | Suricata defrag: IP ID reuse can lead to policy bypass |
IV. Related Vulnerabilities
Same product: suricata
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31935
Suricata http2: unbounded resource consumption - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering
Same vendor: OISF
- CVE-2026-31937
Suricata dcerpc: quadratic complexity in dcerpc buffering - CVE-2026-31935
Suricata http2: unbounded resource consumption - CVE-2026-31934
Suricata smtp/mine: quadratic complexity in extracting urls - CVE-2026-31933
Suricata stream: quadratic complexity in stream inspection - CVE-2026-31932
Suricata krb5: quadratic complexity in krb5 buffering
Same weakness: CWE-770
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