CVE-2025-12207

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Source
https://cve.org/CVERecord?id=CVE-2025-12207
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12207.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-12207
Downstream
Published
2025-10-27T02:32:17.604Z
Modified
2026-08-12T03:51:27.632575395Z
Severity
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
Kamailio Grammar Rule cfg.y yyerror_at null pointer dereference
Details

A vulnerability has been found in Kamailio 5.5. This affects the function yyerror_at of the file src/core/cfg.y of the component Grammar Rule Handler. Such manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. This attack requires manipulating config files which might not be a realistic scenario in many cases. The vendor was contacted early about this disclosure but did not respond in any way.

Database specific 
{
    "cwe_ids": [
        "CWE-404",
        "CWE-476"
    ],
    "isDisputed": true,
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12207.json",
    "cna_assigner": "VulDB",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "5.5"
                },
                {
                    "last_affected": "5.5"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/kamailio/kamailio

Affected ranges

Type
GIT
Repo
https://github.com/kamailio/kamailio
Events
Introduced
d4c1a11aefb0192c1cb829959ef3a70b84cd7cbd
Last affected
d4c1a11aefb0192c1cb829959ef3a70b84cd7cbd
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.5.0"
        },
        {
            "last_affected": "5.5.0"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

5.*
5.5.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12207.json"