CVE-2026-22261

Published: Jan 27, 2026Modified: Jun 17, 2026

5.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploitability: 3.9 / Impact: 1.4

Source: NVD

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.

Affected (2)

Products: Oisf: Suricata

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Oisf Suricata	Before 7.0.14
Oisf Suricata	From 8.0.0 to 8.0.3

Related CWEs

Excessive Platform Resource Consumption within a Loop

The product has a loop body or loop condition that contains a control element that directly or indirectly consumes platform resources, e.g. messaging, sessions, locks, or file descriptors.

References (4)

https://github.com/OISF/suricata/commit/3f0725b34c7871c2de4346c8af872f10f4501e44

Source: security-advisories@github.com

Patch

https://github.com/OISF/suricata/commit/af246ae7ab1b70c09f83c0619b253095ccc18667

Source: security-advisories@github.com

Patch

https://github.com/OISF/suricata/security/advisories/GHSA-5jvg-5j3p-34cf

Source: security-advisories@github.com

Vendor Advisory

https://redmine.openinfosecfoundation.org/issues/8156

Source: security-advisories@github.com

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Timeline

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