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CVE-2026-57225— Suricata datasets: NULL pointer dereference in JSON/NDJSON dataset loading

Quick assessment

Affected
OISF suricata
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Suricata 是一款网络入侵检测系统（IDS）、入侵防御系统（IPS）以及网络安全监控引擎。在 8.0.0 至 8.0.6 版本中， 文件假设配置中 JSON 或 NDJSON 数据集的 字段解析后必为字符串类型。然而，如果来自受信任或未受信任的数据集或规则馈送（rule feed）中该键对应的值为非字符串类型，则可能导致在启动阶段、配置测试模式或规则重载过程中发生空指针解引用，从而引发 Suricata 在开始处理网络流量之前崩溃。该问题已在 8.0.6 版本中修复。

CVSS 3.3 · Low

Possible ATT&CK Techniques 1 AI

T1195.002 · Compromise Software Supply Chain
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I. Basic Information for CVE-2026-57225

Vulnerability Information
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Vulnerability Title
Suricata datasets: NULL pointer dereference in JSON/NDJSON dataset loading
Source: CVE Program / CVE List V5
Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, src/datasets-context-json.c assumes that a configured JSON or NDJSON dataset value_key resolves to a string. A trusted or untrusted dataset or rule feed containing a non-string value for that key can cause a NULL pointer dereference during startup, configuration test mode, or rule reload, crashing Suricata before traffic processing. This issue is fixed in version 8.0.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OISF suricata >= 8.0.0, < 8.0.6 -

II. Public POCs for CVE-2026-57225

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III. Intelligence Information for CVE-2026-57225

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Patches & Fixes for CVE-2026-57225 (3)

Other References for CVE-2026-57225 (3)

Same Patch Batch · OISF · 2026-09-18 · 17 CVEs total

CVE-2026-57228 8.2 HIGH Suricata smtp/mime: heap out-of-bounds read quoted-printable decoder
CVE-2026-63446 7.5 HIGH Suricata app-layer: passed flows can retain transactions, causing resource exhaustion
CVE-2026-63447 7.5 HIGH Suricata ftp: crafted FTP traffic can cause quadratic CPU consumption
CVE-2026-63452 7.5 HIGH Suricata http1: repeated brotli compression bombs can cause excessive CPU consumption
CVE-2026-57227 7.5 HIGH Suricata mqtt: unbounded resource consumption from repeated pubrec and pubrel messages
CVE-2026-71418 7.5 HIGH Suricata doh2: crafted HTTP/2 DATA frames can cause quadratic CPU consumption
CVE-2026-57223 7.0 HIGH Suricata windows: unquoted LocalSystem service ImagePath can allow local privilege escalat
CVE-2026-57224 6.5 MEDIUM Suricata dhcp: unbounded transactions in unidirectional traffic can lead to resource exhau
CVE-2026-63448 5.9 MEDIUM Suricata smb: some SMB flows can cause resource exhaustion
CVE-2026-71855 5.9 MEDIUM Suricata flow: IPv4/IPv6 hash collision can reuse wrong flow state
CVE-2026-57229 5.3 MEDIUM Suricata smtp/mime: incomplete state reset allows detection bypass
CVE-2026-57222 5.3 MEDIUM Suricata ippair: hash collision can cause incorrect state reuse across IPv4 and IPv6
CVE-2026-63450 3.7 LOW Suricata ftp: RETR/STOR before PORT/PASV can disable further IDS app-layer detection
CVE-2026-63449 3.7 LOW Suricata sip: large SIP message bodies can evade detection with frame keyword
CVE-2026-57226 3.7 LOW Suricata swf: heap buffer overflow in SWF decompression depth handling
CVE-2026-63451 3.3 LOW Suricata detect: frame rules without content and with transform can cause heap buffer over

IV. Related Vulnerabilities

Same product: suricata
Same vendor: OISF
Same weakness: CWE-476

V. Comments for CVE-2026-57225

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