CVE-2026-31931

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Source
https://cve.org/CVERecord?id=CVE-2026-31931
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31931.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-31931
Aliases
  • GHSA-gr22-4784-xvw3
Downstream
Related
Published
2026-04-02T14:01:03.512Z
Modified
2026-07-15T01:49:16.137068422Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Suricata tls: null dereference in tls.alpn rule keyword
Details

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, use of the "tls.alpn" rule keyword can cause Suricata to crash with a NULL dereference. This issue has been patched in version 8.0.4.

Database specific 
{
    "cwe_ids": [
        "CWE-476"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31931.json"
}
References

Affected packages

Git / github.com/oisf/suricata

Affected ranges

Type
GIT
Repo
https://github.com/oisf/suricata
Events
Introduced
9956286fb89f9cad9e9f95b99dc751f8666617b7
Fixed
6af634b19b36891d282c628a155345f9b37cbed9
Database specific 
{
    "cpe": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "8.0.0"
        },
        {
            "fixed": "8.0.4"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

suricata-8.*
suricata-8.0.0
suricata-8.0.1
suricata-8.0.2
suricata-8.0.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31931.json"