CVE-2025-12207

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 vendor was contacted early about this disclosure but did not respond in any way.
References
Link Resource
https://shimo.im/docs/vVqRMVMlrycMO63y/ Exploit Third Party Advisory
https://vuldb.com/?ctiid.329877 Permissions Required VDB Entry
https://vuldb.com/?id.329877 Third Party Advisory VDB Entry
https://vuldb.com/?submit.673241 Third Party Advisory VDB Entry
https://www.openwall.com/lists/oss-security/2025/10/27/8 Issue Tracking Mailing List
https://shimo.im/docs/vVqRMVMlrycMO63y Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*

History

28 Oct 2025, 14:55

Type Values Removed Values Added
References () https://shimo.im/docs/vVqRMVMlrycMO63y/ - () https://shimo.im/docs/vVqRMVMlrycMO63y/ - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.329877 - () https://vuldb.com/?ctiid.329877 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.329877 - () https://vuldb.com/?id.329877 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.673241 - () https://vuldb.com/?submit.673241 - Third Party Advisory, VDB Entry
References () https://www.openwall.com/lists/oss-security/2025/10/27/8 - () https://www.openwall.com/lists/oss-security/2025/10/27/8 - Issue Tracking, Mailing List
References () https://shimo.im/docs/vVqRMVMlrycMO63y - () https://shimo.im/docs/vVqRMVMlrycMO63y - Exploit, Third Party Advisory
CPE cpe:2.3:a:kamailio:kamailio:5.5.0:*:*:*:*:*:*:*
First Time Kamailio kamailio
Kamailio

28 Oct 2025, 14:15

Type Values Removed Values Added
References
  • () https://shimo.im/docs/vVqRMVMlrycMO63y -

28 Oct 2025, 01:16

Type Values Removed Values Added
References
  • () https://www.openwall.com/lists/oss-security/2025/10/27/8 -

27 Oct 2025, 03:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-10-27 03:15

Updated : 2025-10-28 14:55


NVD link : CVE-2025-12207

Mitre link : CVE-2025-12207

CVE.ORG link : CVE-2025-12207


JSON object : View

Products Affected

kamailio

  • kamailio
CWE
CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference