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CVE-2026-57226

3.7 · LOW

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine.

Published Sep 18, 2026oisfCWE-122EPSS 0.59%

Overview

CVE-2026-57226 is a low-severity vulnerability affecting oisf suricata. It was published on September 18, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, HTTP SWF decompression with the non-default swf-decompression feature and an unsafe decompress-depth can use the configured depth when allocating in src/util-file-decompression.c instead of limiting the allocation to the Flash file's actual data requirement. A crafted SWF response can therefore trigger an integer-related heap buffer overflow and crash Suricata; the default disabled feature and default depth are not affected. This issue is fixed in versions 8.0.6 and 7.0.17.

Remediation

Check the references section for vendor advisories and patches from oisf. Update suricata to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
oisfsuricata>= 0, < 7.0.17Affected

References

GitHubgithub.com/OISF/suricata/commit/82af0aeb7cec39e206a9ca96c4966425eddeaa74GitHubgithub.com/OISF/suricata/commit/b63224871b0f8b0b1f7b8c22d05ba8a5c5f69fbbGitHubgithub.com/OISF/suricata/commit/d9fae18432501674338e28bd33e35788c95d4a98GitHubgithub.com/OISF/suricata/pull/15704GitHubgithub.com/OISF/suricata/releases/tag/suricata-7.0.17GitHubgithub.com/OISF/suricata/releases/tag/suricata-8.0.6GitHubgithub.com/OISF/suricata/security/advisories/GHSA-p33j-r48q-3jcfRefredmine.openinfosecfoundation.org/issues/8642

How CyberStrike helps

Frequently asked questions

What is CVE-2026-57226?

CVE-2026-57226 is a low-severity vulnerability affecting oisf suricata. It was published on September 18, 2026 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2026-57226?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-57226?

Check the references section for vendor advisories and patches from oisf. Update suricata to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-57226?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-57226 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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