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I. Basic Information for CVE-2026-22261
Vulnerability Information

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Vulnerability Title
Suricata eve/alert: http1 xff handling can lead to denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, various inefficiencies in xff handling, especially for alerts not triggered in a tx, can lead to severe slowdowns. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, disable XFF support in the eve configuration. The setting is disabled by default.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
循环内过多的平台资源消耗
Source: NVD (National Vulnerability Database)
Vulnerability Title
Suricata 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 8.0.3之前版本和7.0.14之前版本存在安全漏洞,该漏洞源于xff处理存在低效问题,可能导致严重性能下降。
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
VendorProductAffected VersionsCPESubscribe
OISFsuricata < 7.0.14 -
II. Public POCs for CVE-2026-22261
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III. Intelligence Information for CVE-2026-22261
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