Stack Overflow Vulnerability in Suricata Network Engine
CVE-2026-22260

7.5HIGH

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
27 January 2026

What is CVE-2026-22260?

A vulnerability in the Suricata network IDS, IPS, and NSM engine has been identified that allows an attacker to crash the software due to a stack overflow. This issue affects versions 8.0.0 through 8.0.2. Users are advised to upgrade to version 8.0.3, which addresses this vulnerability. As a temporary workaround, maintaining default values for the parameters 'request-body-limit' and 'response-body-limit' can help mitigate the risk.

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Affected Version(s)

suricata >= 8.0.0, < 8.0.3

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/OISF/suricata/commit/0dddac7278c8b9cf3...
x_refsource_MISC
https://redmine.openinfosecfoundation.org/issues/8185
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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