Suricata
CVE-2026-22262
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.9 (MEDIUM). Attack vector: Network. Complexity: High. Privileges required: None. User interaction: None. Exploitable via remote/network. |
| Exploit ScenarioDerived | A remote attacker could exploit this vulnerability to a stack overflow. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Suricata versions prior to 8.0.3 and 7.0.14 are vulnerable to a stack buffer overflow when processing oversized datasets with the save or state options enabled, allowing an attacker with network access to cause a denial of service. The vulnerability requires specific conditions to trigger but does not require authentication or user interaction. A patch is available in the latest versions.
Earlier versions of this analysis (1)
Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. [CVSS 5.9 MEDIUM]
RemediationAI
A vendor patch is available — apply it immediately. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-121 (Stack-based Buffer Overflow). Affects Suricata. Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is too large, this can result in a stack overflow. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, do not use rules with datasets save nor state options.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
Suricata is a network IDS, IPS and NSM engine. While saving a dataset a stack buffer is used to prepare the data. Prior to versions 8.0.3 and 7.0.14, if the data in the dataset is too large, this can result in a stack overflow. Versions 8.0.3 and 7.0.14 contain a patch. As a workaround, do not use rules with datasets save nor state options.
Executive ViewAI
Organizations using a stack overflow. should be aware of moderate risk from CVE-2026-22262, a stack-based buffer overflow vulnerability rated CVSS 5.9. Exploitation could cause memory corruption or application crashes. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: enable ASLR/DEP, apply network segmentation.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.
Affected Products (CPE)GitHub Advisory
Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability. Rated high severity (CVSS 8.8), this vul
OISF suricata-update version 1.0.0a1 contains an Insecure Deserialization vulnerability in the insecure yaml.load-Functi
Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suric
An issue was discovered in Suricata before 6.0.4. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit
An issue was discovered in Suricata 4.1.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, n
An issue was discovered in Suricata 4.1.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, n
An issue was discovered in Suricata 4.1.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, n
An issue was discovered in Suricata 4.1.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, n
An issue was discovered in Suricata 4.1.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, n
Open Information Security Foundation Suricata prior to version 4.1.3 is affected by: Denial of Service - TCP/HTTP detect
Suricata before 4.0.5 stops TCP stream inspection upon a TCP RST from a server. Rated high severity (CVSS 7.5), this vul
The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might a
Same weakness CWE-121 – Stack-based Buffer Overflow
View allVendor StatusVendor
SUSE
Severity: Medium| Product | Status |
|---|---|
| openSUSE Tumbleweed | Fixed |
Exploit-DB