CVE-2026-63451
Suricata detect: frame rules without content and with transform can cause heap buffer overflow during rule load
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, a locally supplied detection rule that combines frame inspection without content and a transformed match without content can make src/detect-engine-prefilter.c select multiple non-prefilter frame engines while preparing signatures for non-prefilter inspection. Loading the crafted rule, including in test mode, can trigger a heap buffer overflow and crash Suricata; network traffic alone cannot reach the flaw. This issue is fixed in version 8.0.6.
| CWE | CWE-122 |
| Vendor | oisf |
| Product | suricata |
| Published | Sep 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
OISF / suricata
>= 8.0.0, < 8.0.6
References
github.com: https://github.com/OISF/suricata/security/advisories/GHSA-6qwq-j83r-qp34 github.com: https://github.com/OISF/suricata/pull/15807 github.com: https://github.com/OISF/suricata/commit/5449ae170bfce213907d9bab87143a59774ed48f github.com: https://github.com/OISF/suricata/commit/d62acf5d75a61b76b16815e773408852f41b1975 github.com: https://github.com/OISF/suricata/releases/tag/suricata-8.0.6 redmine.openinfosecfoundation.org: https://redmine.openinfosecfoundation.org/issues/8590