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CVE-2026-94084

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 在 8.0.7 之前存在一个 Http2ThreadMultiBuf 的使用后释放（use-after-free）漏洞。当使用 规则对事务进行检核，且这些规则同时包含带转换（transform）和不带转换的情况时，会触发该漏洞。

CVSS 9.4 · Critical
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I. Basic Information for CVE-2026-94084

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use http.response_header with and without a transform.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OISF Suricata 0 ~ 8.0.7 -

II. Public POCs for CVE-2026-94084

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III. Intelligence Information for CVE-2026-94084

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Patches & Fixes for CVE-2026-94084 (1)

Other References for CVE-2026-94084 (1)

Other References for CVE-2026-94084 (1)

IV. Related Vulnerabilities

Same product: Suricata
Same vendor: OISF
Same weakness: CWE-416

V. Comments for CVE-2026-94084

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