CVE-2025-12206

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Source
https://cve.org/CVERecord?id=CVE-2025-12206
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12206.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-12206
Downstream
Published
2025-10-27T02:32:12.753Z
Modified
2026-07-15T01:49:03.559660687Z
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 rvalue.c rve_is_constant null pointer dereference
Details

A flaw has been found in Kamailio 5.5. The impacted element is the function rveisconstant of the file src/core/rvalue.c. This manipulation causes null pointer dereference. The attack needs to be launched locally. The exploit has been published and may be used. It is still unclear if this vulnerability genuinely exists. 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 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12206.json",
    "cna_assigner": "VulDB",
    "isDisputed": true,
    "cwe_ids": [
        "CWE-404",
        "CWE-476"
    ],
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "5.5"
                },
                {
                    "last_affected": "5.5"
                }
            ]
        }
    ]
}
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 
{
    "cpe": "cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*",
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "5.5.0"
        },
        {
            "last_affected": "5.5.0"
        }
    ]
}

Affected versions

5.*
5.5.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12206.json"